Common Weakness Enumeration
CWE-190
AllowedInteger Overflow or Wraparound
Abstraction: Base · Status: Stable
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
1472 vulnerabilities reference this CWE, most recent first.
CVE-2026-105839 (GCVE-0-2026-105839)
Vulnerability from cvelistv5 – Published: 2026-10-06 13:35 – Updated: 2026-10-06 16:12
VLAI
EPSS
VEX
Title
libmikmod before 3.3.14 Heap Buffer Overflow via OKT Loader OKT_doPBOD
Summary
libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 16:11 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/sezero/mikmod/commit/097b69281… | patch |
| https://github.com/sezero/mikmod/blob/libmikmod-3… | technical-description |
| https://github.com/sezero/mikmod/blob/libmikmod-3… | release-notes |
| https://github.com/sezero/mikmod | product |
| https://www.vulncheck.com/advisories/libmikmod-be… | third-party-advisory |
Impacted products
Date Public
2026-08-31 00:00
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CVE-2026-105837 (GCVE-0-2026-105837)
Vulnerability from cvelistv5 – Published: 2026-10-06 13:35 – Updated: 2026-10-06 19:30
VLAI
EPSS
VEX
Title
libmikmod before 3.3.14 Heap Buffer Overflow via DSM Loader Integer Overflow
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 19:26 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/sezero/mikmod/commit/a125eabbd… | patch |
| https://github.com/sezero/mikmod/blob/libmikmod-3… | technical-description |
| https://github.com/sezero/mikmod/blob/libmikmod-3… | release-notes |
| https://github.com/sezero/mikmod | product |
| https://www.vulncheck.com/advisories/libmikmod-be… | third-party-advisory |
Impacted products
Date Public
2026-08-31 00:00
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CVE-2026-105715 (GCVE-0-2026-105715)
Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-31 18:00
VLAI
EPSS
VEX
Title
Microsoft Office Word Remote Code Execution Vulnerability
Summary
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 21:11 UTC
Assigner
microsoft
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Affected:
16.0.1 , < https://aka.ms/OfficeSecurityReleases
(custom)
|
|
| Microsoft | Microsoft Office 365 for Mac |
Affected:
1.0.0 , < 16.114.26101123
(custom)
|
|
| Microsoft | Microsoft Office LTSC 2021 |
Affected:
16.0.1 , < 16.0.14334.20974
(custom)
|
|
| Microsoft | Microsoft Office LTSC 2024 |
Affected:
16.0.0 , < 16.0.17932.21056
(custom)
|
|
| Microsoft | Microsoft Office LTSC for Mac 2021 |
Affected:
16.0.1 , < 16.114.26101123
(custom)
|
|
| Microsoft | Microsoft Office LTSC for Mac 2024 |
Affected:
16.0.0 , < 16.114.26101123
(custom)
|
Date Public
2026-10-13 14:00
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CVE-2026-104064 (GCVE-0-2026-104064)
Vulnerability from cvelistv5 – Published: 2026-10-30 15:15 – Updated: 2026-11-04 22:45
VLAI
EPSS
VEX
Title
Scribus before 1.6.7 and 1.7.x before 1.7.4 Heap Overflow via TIFF Tile Buffer Handling
Summary
Scribus before 1.6.7 and 1.7.x before 1.7.4 contains an integer overflow vulnerability in the scimgdataloader_tiff TIFF loader that allows attackers to trigger a heap overflow via crafted tile dimensions. Attackers can supply a tiled TIFF with large tile width, height and sample values for a user to import, corrupting heap memory to crash Scribus or execute code.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 22:45 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/scribusproject/scribus/commit/… | patch |
| https://github.com/scribusproject/scribus/commit/… | patch |
| https://github.com/scribusproject/scribus | product |
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Impacted products
Date Public
2026-09-14 00:00
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CVE-2026-104016 (GCVE-0-2026-104016)
Vulnerability from cvelistv5 – Published: 2026-10-27 23:52 – Updated: 2026-11-04 20:20 X_Open Source
VLAI
EPSS
VEX
Title
jackson-dataformat-protobuf: signed integer overflow in string-length paths allows unbounded array allocation and OutOfMemoryError
Summary
ProtobufParser parses length-prefixed protobuf string and bytes fields by checking (_inputPtr + len) <= _inputEnd and then, on the fast path, calling _finishShortText(len). Both use 32-bit signed integer arithmetic. When an attacker supplies a varint decoding to a length near Integer.MAX_VALUE, _inputPtr + len overflows to a negative value, the bounds check passes, and _finishShortText(len) reaches TextBuffer.expandCurrentSegment(len), which performs Arrays.copyOf with no cap and throws OutOfMemoryError: Requested array size exceeds VM limit.
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A February 2026 hardening commit added the equivalent overflow guard to the packed-array-length and message-length paths but left the string-length call sites unguarded. No privileges or user interaction beyond the ability to submit data for parsing are required.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 20:07 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
HeroDevs
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/FasterXML/jackson-dataformats-… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| FasterXML | jackson-dataformat-protobuf |
Affected:
2.6.0 , < 2.18.12
(maven)
Unaffected: 2.18.12 (maven) Affected: 2.19.0 , < 2.21.8 (maven) Unaffected: 2.21.8 (maven) Affected: 2.22.0 , < 2.22.4 (maven) Unaffected: 2.22.4 (maven) |
|
| FasterXML | jackson-dataformat-protobuf |
Affected:
3.0.0 , < 3.1.8
(maven)
Unaffected: 3.1.8 (maven) Affected: 3.2.0 , < 3.2.4 (maven) Unaffected: 3.2.4 (maven) |
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CVE-2026-103635 (GCVE-0-2026-103635)
Vulnerability from cvelistv5 – Published: 2026-10-10 10:23 – Updated: 2026-10-16 15:28
VLAI
EPSS
VEX
Title
Apache DataSketches: datasketches-cpp: Out-of-bounds read in compact Theta sketch deserialization allows denial of service via a crafted sketch
Summary
Out-of-bounds read in the compact Theta sketch deserialization of Apache DataSketches C++ (repo: datasketches-cpp).
compact_theta_sketch::deserialize() and wrapped_compact_theta_sketch::wrap() read header fields before checking that the input was long enough. For the compressed format, the size check could be defeated by a 32-bit overflow, and two header fields that control decoding were not validated; this also affected deserialization from a stream. A crafted or truncated sketch could cause a read past the end of the input. In the compressed case the over-read can be large, and the bytes read can become part of the deserialized sketch. This can cause a crash (denial of service) and could expose adjacent memory contents.
This issue affects Apache DataSketches C++: from 3.1.0 before 5.3.0. Only applications that deserialize Theta sketches from untrusted sources are affected.
Users are recommended to upgrade to version 5.3.0, which fixes this issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 15:27 UTC
Assigner
apache
CNA
References
3 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/15b86y9jstco39kzp… | vendor-advisory |
| https://github.com/apache/datasketches-cpp/releas… | release-notes |
| http://www.openwall.com/lists/oss-security/2026/10/10/5 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache DataSketches |
Affected:
3.1.0 , ≤ 5.2.0
(semver)
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CVE-2026-103634 (GCVE-0-2026-103634)
Vulnerability from cvelistv5 – Published: 2026-10-22 06:42 – Updated: 2026-10-26 13:43
VLAI
EPSS
VEX
Title
Apache DataSketches: datasketches-cpp: Out-of-bounds read and write in Count-Min sketch deserialization allows memory corruption via a crafted sketch
Summary
Out-of-bounds read and write in the Count-Min sketch deserialization of Apache DataSketches C++ (repo: datasketches-cpp).
count_min_sketch::deserialize() did not include the preamble in its input size check, so a truncated sketch could cause a read of up to 16 bytes past the end of the input. In addition, the table size was computed from the serialized number of buckets and number of hash functions in 32-bit arithmetic. A crafted sketch could make it wrap to zero, so that the sketch deserialized with an empty table, and later updates and estimate queries read and wrote outside the heap allocation. This can corrupt heap memory, causing a crash and potentially enabling further exploitation.
This issue affects Apache DataSketches C++: from 4.1.0 before 5.3.0. Only applications that deserialize Count-Min sketches from untrusted sources are affected.
Users are recommended to upgrade to version 5.3.0, which fixes this issue.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 13:43 UTC
Assigner
apache
CNA
References
3 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/rkx9oh06g5cjc6vmm… | vendor-advisory |
| https://github.com/apache/datasketches-cpp/releas… | release-notes |
| http://www.openwall.com/lists/oss-security/2026/10/10/4 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache DataSketches |
Affected:
4.1.0 , ≤ 5.2.0
(semver)
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CVE-2026-103410 (GCVE-0-2026-103410)
Vulnerability from cvelistv5 – Published: 2026-10-28 16:37 – Updated: 2026-10-29 01:52
VLAI
EPSS
VEX
Title
Session Smart Router: Integer overflow causes denial of service during TLS certificate inspection
Summary
An Integer Overflow vulnerability in the DPI certificate scanner in Juniper Networks Session Smart Router allows an unauthenticated remote attacker to cause a denial of service via a specially crafted TLS server certificate.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 01:37 UTC
CWE
Assigner
juniper
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA112183 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Session Smart Router |
Affected:
0 , < 7.0.5
(custom)
Affected: 7.1.0 , < 7.1.7 (custom) Affected: 7.2.0 , < 7.2.3 (custom) |
Date Public
2026-10-28 16:00
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CVE-2026-103222 (GCVE-0-2026-103222)
Vulnerability from cvelistv5 – Published: 2026-09-30 14:00 – Updated: 2026-09-30 16:26 X_Open Source
VLAI
EPSS
VEX
Title
Blosc C-Blosc2 blosclz Decompression blosclz.c blosclz_decompress integer overflow
Summary
A vulnerability was determined in Blosc C-Blosc2 up to 3.3.2. This impacts the function blosclz_decompress of the file blosc/blosclz.c of the component blosclz Decompression. Executing a manipulation can lead to integer overflow. The attack may be launched remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. Upgrading to version 3.3.3 will fix this issue. This patch is called fe2964d114d97847f56570a0ab2be2c57ccbeedc. The affected component should be upgraded.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 16:25 UTC
Assigner
VulDB
CNA
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/411905 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/411905/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-103222 | third-party-advisory |
| https://vuldb.com/submit/954976 | third-party-advisory |
| https://github.com/Blosc/c-blosc2/commit/fe2964d1… | patch |
| https://github.com/Blosc/c-blosc2/releases/tag/v3.3.3 | patch |
| https://github.com/Blosc/c-blosc2/ | product |
Impacted products
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CVE-2026-102856 (GCVE-0-2026-102856)
Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-31 18:00
VLAI
EPSS
VEX
Title
Microsoft Office Visio Remote Code Execution Vulnerability
Summary
Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 21:14 UTC
Assigner
microsoft
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Affected:
16.0.1 , < https://aka.ms/OfficeSecurityReleases
(custom)
|
|
| Microsoft | Microsoft Office LTSC 2021 |
Affected:
16.0.1 , < 16.0.14334.20974
(custom)
|
|
| Microsoft | Microsoft Office LTSC 2024 |
Affected:
16.0.0 , < 16.0.17932.21056
(custom)
|
Date Public
2026-10-13 14:00
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Mitigation
Requirements
Ensure that all protocols are strictly defined, such that all out-of-bounds behavior can be identified simply, and require strict conformance to the protocol.
Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- If possible, choose a language or compiler that performs automatic bounds checking.
Mitigation MIT-4
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
- Use libraries or frameworks that make it easier to handle numbers without unexpected consequences.
- Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++). [REF-106]
Mitigation MIT-8
Implementation
Strategy: Input Validation
- Perform input validation on any numeric input by ensuring that it is within the expected range. Enforce that the input meets both the minimum and maximum requirements for the expected range.
- Use unsigned integers where possible. This makes it easier to perform validation for integer overflows. When signed integers are required, ensure that the range check includes minimum values as well as maximum values.
Mitigation MIT-36
Implementation
- Understand the programming language's underlying representation and how it interacts with numeric calculation (CWE-681). Pay close attention to byte size discrepancies, precision, signed/unsigned distinctions, truncation, conversion and casting between types, "not-a-number" calculations, and how the language handles numbers that are too large or too small for its underlying representation. [REF-7]
- Also be careful to account for 32-bit, 64-bit, and other potential differences that may affect the numeric representation.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation MIT-26
Implementation
Strategy: Compilation or Build Hardening
Examine compiler warnings closely and eliminate problems with potential security implications, such as signed / unsigned mismatch in memory operations, or use of uninitialized variables. Even if the weakness is rarely exploitable, a single failure may lead to the compromise of the entire system.
CAPEC-92: Forced Integer Overflow
This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.