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38 vulnerabilities found for BC-JAVA by Legion of the Bouncy Castle Inc.
CVE-2026-13586 (GCVE-0-2026-13586)
Vulnerability from cvelistv5
Published
2026-08-03 02:58
Modified
2026-08-03 15:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
In Bouncy Castle for Java before 1.85, PKCS#12 MAC and bag-decryption KDF iteration-count bound (DoS). This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
||||||||||||
|
||||||||||||||
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CVE-2026-13506 (GCVE-0-2026-13506)
Vulnerability from cvelistv5
Published
2026-08-03 02:56
Modified
2026-08-03 15:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-674 - Uncontrolled Recursion
Summary
In Bouncy Castle for Java before 1.85, Lazy ASN.1 sequence forcing resets nesting-depth guard. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
||||||||||||
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CVE-2026-12860 (GCVE-0-2026-12860)
Vulnerability from cvelistv5
Published
2026-08-03 02:55
Modified
2026-08-03 15:10
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Summary
In Bouncy Castle for Java before 1.85, RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
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CVE-2026-12852 (GCVE-0-2026-12852)
Vulnerability from cvelistv5
Published
2026-08-03 02:55
Modified
2026-08-03 15:11
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Summary
In Bouncy Castle for Java before 1.85, MLS wire decoder allocates attacker-declared opaque length before bounds check.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 1.73 |
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CVE-2026-12817 (GCVE-0-2026-12817)
Vulnerability from cvelistv5
Published
2026-08-03 02:54
Modified
2026-08-03 15:15
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Summary
In Bouncy Castle for Java before 1.85, OpenPGP AEAD decryption skips final tag on chunk-aligned data. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 1.74 |
||||||||||||
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CVE-2026-12816 (GCVE-0-2026-12816)
Vulnerability from cvelistv5
Published
2026-08-03 02:53
Modified
2026-08-03 15:21
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Summary
In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via length-dependent KDF split. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
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CVE-2026-12803 (GCVE-0-2026-12803)
Vulnerability from cvelistv5
Published
2026-08-03 02:52
Modified
2026-08-03 15:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Summary
In Bouncy Castle for Java before 1.85, KCCMBlockCipher MAC does not bind nonce when AAD is absent (cross-nonce AEAD forgery). This issue also affects Bouncy Castle for Java LTS before 2.73.12.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
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CVE-2026-12802 (GCVE-0-2026-12802)
Vulnerability from cvelistv5
Published
2026-08-03 02:48
Modified
2026-08-03 15:28
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Summary
In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
||||||||||||
|
||||||||||||||
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CVE-2026-14682 (GCVE-0-2026-14682)
Vulnerability from cvelistv5
Published
2026-08-03 02:44
Modified
2026-08-04 09:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Summary
In Bouncy Castle for Java before 1.85, Possible OOM from unbounded up-front allocation on a definite-length read. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series), and before bctls-fips 1.0.24.
References
Impacted products
| Vendor | Product | Version | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
|||||||||||||||||
|
|||||||||||||||||||
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CVE-2026-58059 (GCVE-0-2026-58059)
Vulnerability from cvelistv5
Published
2026-08-03 02:41
Modified
2026-08-03 15:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Summary
In Bouncy Castle for Java before 1.85, Quadratic-time escaping when stringifying X.500 distinguished names. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
||||||||||||
|
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CVE-2026-58060 (GCVE-0-2026-58060)
Vulnerability from cvelistv5
Published
2026-08-03 02:37
Modified
2026-08-03 15:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Summary
In Bouncy Castle for Java before 1.85, HSS public-key level count unbounded, enabling huge allocation on verify. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 1.65 |
||||||||||||
|
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CVE-2026-58061 (GCVE-0-2026-58061)
Vulnerability from cvelistv5
Published
2026-08-03 02:36
Modified
2026-08-03 15:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Summary
In Bouncy Castle for Java before 1.85, CCM-family modes write plaintext to caller buffer before tag check. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
||||||||||||
|
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CVE-2026-58062 (GCVE-0-2026-58062)
Vulnerability from cvelistv5
Published
2026-08-03 02:35
Modified
2026-08-03 18:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-295 - Improper Certificate Validation
Summary
In Bouncy Castle for Java before 1.85, Stapled OCSP response accepted without binding to the checked certificate. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 1.66 |
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CVE-2026-58063 (GCVE-0-2026-58063)
Vulnerability from cvelistv5
Published
2026-08-03 02:29
Modified
2026-08-03 15:36
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
||||||||||||
|
||||||||||||||
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CVE-2026-59638 (GCVE-0-2026-59638)
Vulnerability from cvelistv5
Published
2026-08-03 00:57
Modified
2026-08-03 13:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-297 - Improper Validation of Certificate with Host Mismatch
Summary
In Bouncy Castle for Java before 1.85, JSSE hostname verifier CN-fallback enabled by default despite documented opt-in. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctls-fips 1.0.24 (1.0.X series), 2.0.24 (2.0.X series) and 2.1.24 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 1.61 |
||||||||||||
|
||||||||||||||
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CVE-2026-59639 (GCVE-0-2026-59639)
Vulnerability from cvelistv5
Published
2026-08-03 00:56
Modified
2026-08-03 13:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Summary
In Bouncy Castle for Java before 1.85, CMS verifySignatures returns true for SignedData with zero signers. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
||||||||||||
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CVE-2026-59640 (GCVE-0-2026-59640)
Vulnerability from cvelistv5
Published
2026-08-03 00:55
Modified
2026-08-03 13:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-203 - Observable Discrepancy
Summary
In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
||||||||||||
|
||||||||||||||
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"PGPPublicKeyEncryptedData",
"PGPSessionKeyEncryptedData",
"PGPSymmetricKeyEncryptedData"
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CVE-2026-59641 (GCVE-0-2026-59641)
Vulnerability from cvelistv5
Published
2026-08-03 00:54
Modified
2026-08-03 13:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Summary
In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcmail-fips and bcjmail-fips 1.0.7 (1.0.X series), 2.0.7 (2.0.X series) and 2.1.7 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
|||||||||||||||||
|
|||||||||||||||||||
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"packageURL": "pkg:maven/org.bouncycastle/bcmail-jdk18on",
"platforms": [
"all"
],
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"SignedMailValidator"
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CVE-2026-59642 (GCVE-0-2026-59642)
Vulnerability from cvelistv5
Published
2026-08-03 00:53
Modified
2026-08-03 13:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Summary
In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
||||||||||||
|
||||||||||||||
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CVE-2026-59643 (GCVE-0-2026-59643)
Vulnerability from cvelistv5
Published
2026-08-03 00:51
Modified
2026-08-03 13:28
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Summary
In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 1.81 |
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CVE-2026-59644 (GCVE-0-2026-59644)
Vulnerability from cvelistv5
Published
2026-08-03 00:50
Modified
2026-08-03 13:36
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-834 - Excessive Iteration
Summary
In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation counter from sender.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 1.73 |
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CVE-2026-59645 (GCVE-0-2026-59645)
Vulnerability from cvelistv5
Published
2026-08-03 00:49
Modified
2026-08-03 13:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-674 - Uncontrolled Recursion
Summary
In Bouncy Castle for Java before 1.85, OER parser recurses without depth limit on self-referential IEEE 1609.2 schema. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcutil-fips 2.0.7 (2.0.X series) and 2.1.7 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 1.70 |
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CVE-2026-59646 (GCVE-0-2026-59646)
Vulnerability from cvelistv5
Published
2026-08-03 00:48
Modified
2026-08-03 14:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Summary
In Bouncy Castle for Java before 1.85, DTLS handshake reassembler allocates buffer from unchecked 24-bit length. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctls-fips 1.0.24 (1.0.X series), 2.0.24 (2.0.X series) and 2.1.24 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
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CVE-2026-59647 (GCVE-0-2026-59647)
Vulnerability from cvelistv5
Published
2026-08-03 00:46
Modified
2026-08-03 13:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
In Bouncy Castle for Java before 1.85, CRMF/CMP password-MAC honours unbounded iteration count. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
||||||||||||
|
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CVE-2026-59648 (GCVE-0-2026-59648)
Vulnerability from cvelistv5
Published
2026-08-03 00:45
Modified
2026-08-03 13:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
In Bouncy Castle for Java before 1.85, OpenPGP Argon2 S2K honours attacker-chosen memory and passes. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 1.71 |
||||||||||||
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CVE-2026-59649 (GCVE-0-2026-59649)
Vulnerability from cvelistv5
Published
2026-08-03 00:44
Modified
2026-08-03 13:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Summary
In Bouncy Castle for Java before 1.85, OpenPGP user-attribute subpacket length bounded only by JVM max memory. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series).
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
||||||||||||
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CVE-2026-59650 (GCVE-0-2026-59650)
Vulnerability from cvelistv5
Published
2026-08-03 00:42
Modified
2026-08-03 13:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
Summary
In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
|||||||
|
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CVE-2026-59651 (GCVE-0-2026-59651)
Vulnerability from cvelistv5
Published
2026-08-03 00:41
Modified
2026-08-03 13:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-326 - Inadequate Encryption Strength
Summary
In Bouncy Castle for Java before 1.85, BKS keystore accepts legacy version with 16-bit integrity MAC key. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
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CVE-2026-59652 (GCVE-0-2026-59652)
Vulnerability from cvelistv5
Published
2026-08-03 00:39
Modified
2026-08-03 13:30
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Summary
In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
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CVE-2026-12185 (GCVE-0-2026-12185)
Vulnerability from cvelistv5
Published
2026-08-03 00:38
Modified
2026-08-04 01:54
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Summary
In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 0 |
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"defaultStatus": "unaffected",
"modules": [
"prov"
],
"packageName": "bcprov-lts8on",
"packageURL": "pkg:maven/org.bouncycastle/bcprov-lts8on",
"platforms": [
"all"
],
"product": "BC-LTS-JAVA",
"programFiles": [
"BcKeyStoreSpi"
],
"repo": "https://github.com/bcgit/bc-lts-java",
"vendor": "Legion of the Bouncy Castle Inc.",
"versions": [
{
"lessThan": "2.73.12",
"status": "affected",
"version": "2.73.0",
"versionType": "maven"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Alex Gaynor in collaboration with Claude and Anthropic Research"
},
{
"lang": "en",
"type": "reporter",
"value": "Wayde Shi (GitHub: @waydeshi )"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eIn Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.\u003c/p\u003e"
}
],
"value": "In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "AMBER",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "PASSIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Amber",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-789",
"description": "CWE-789 Memory Allocation with Excessive Size Value",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-04T01:54:27.357Z",
"orgId": "91579145-5d7b-4cc5-b925-a0262ff19630",
"shortName": "bcorg"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9012185"
},
{
"tags": [
"patch"
],
"url": "https://github.com/bcgit/bc-java/commit/7bbd7fe5f44132e5b6140a2914435c12430eeb3d"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "BKS/UBER keystore allocates from untrusted lengths before integrity check",
"x_generator": {
"engine": "bc release-notes template"
}
}
},
"cveMetadata": {
"assignerOrgId": "91579145-5d7b-4cc5-b925-a0262ff19630",
"assignerShortName": "bcorg",
"cveId": "CVE-2026-12185",
"datePublished": "2026-08-03T00:38:01.609Z",
"dateReserved": "2026-06-14T00:39:34.400Z",
"dateUpdated": "2026-08-04T01:54:27.357Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}