Common Weakness Enumeration
CWE-401
AllowedMissing Release of Memory after Effective Lifetime
Abstraction: Variant · Status: Draft
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
384 vulnerabilities reference this CWE, most recent first.
CVE-2026-110672 (GCVE-0-2026-110672)
Vulnerability from cvelistv5 – Published: 2026-10-19 18:11 – Updated: 2026-10-29 16:33
VLAI
EPSS
VEX
Title
Cpanel::JSON::XS versions before 4.80 for Perl leak the decoded key of an object rejected for a duplicate key or a missing colon in decode_hv
Summary
Cpanel::JSON::XS versions before 4.80 for Perl leak the decoded key of an object rejected for a duplicate key or a missing colon in decode_hv.
A quoted key of 24 or more bytes, or one containing a non-ASCII byte or an escape sequence, is decoded into a new scalar. Nothing frees that scalar when the object is rejected for a missing ':' after the key or, from 4.09, for a duplicate key. Duplicate keys are an error unless allow_dupkeys, dupkeys_as_arrayref or relaxed is set.
A process that keeps running after a failed decode retains one key per rejected document, with its size chosen by the sender. Repeated requests exhaust process memory.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 16:32 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
CPANSec
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/rurban/Cpanel-JSON-XS/commit/5… | patch |
| https://metacpan.org/release/RURBAN/Cpanel-JSON-X… | release-notes |
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CVE-2026-109278 (GCVE-0-2026-109278)
Vulnerability from cvelistv5 – Published: 2026-10-12 16:04 – Updated: 2026-10-13 15:36
VLAI
EPSS
VEX
Title
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 Memory Leak in Wavelet-Denoise Operation
Summary
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contains a memory leak in the wavelet-denoise operation, which fails to release allocated memory when a required resource cannot be acquired. Attackers can repeatedly trigger wavelet-denoise processing under resource-constrained conditions to leak memory and degrade service availability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:36 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | vendor-advisory |
| https://github.com/ImageMagick/ImageMagick/commit… | patch |
| https://github.com/ImageMagick/ImageMagick6/commi… | patch |
| https://www.vulncheck.com/advisories/imagemagick-… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
7.0.0-0 , < 7.1.2-32
(custom)
Unaffected: 7.1.2-32 (custom) |
|
| ImageMagick | ImageMagick |
Affected:
0 , < 6.9.13-57
(custom)
Unaffected: 6.9.13-57 (custom) |
Date Public
2026-09-27 00:00
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CVE-2026-109270 (GCVE-0-2026-109270)
Vulnerability from cvelistv5 – Published: 2026-10-12 16:04 – Updated: 2026-10-13 18:04
VLAI
EPSS
VEX
Title
ImageMagick before 7.1.2-32 Memory Leak via -process Option
Summary
ImageMagick before 7.1.2-32 contains a memory leak vulnerability in the -process option that allows attackers to cause unreleased memory allocations by supplying certain arguments. Attackers can repeatedly invoke the -process option with crafted arguments to gradually exhaust memory and degrade service availability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:04 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
VulnCheck
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | vendor-advisory |
| https://github.com/ImageMagick/ImageMagick/commit… | patch |
| https://www.vulncheck.com/advisories/imagemagick-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
7.0.0-0 , < 7.1.2-32
(custom)
Unaffected: 7.1.2-32 (custom) cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* |
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CVE-2026-109263 (GCVE-0-2026-109263)
Vulnerability from cvelistv5 – Published: 2026-10-12 16:04 – Updated: 2026-10-13 15:32
VLAI
EPSS
VEX
Title
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 Memory Leak in YUV Encoder
Summary
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contains a memory leak in the YUV encoder, which fails to release allocated memory when a specific operation fails. Attackers can supply crafted input that triggers the failing encoder operation, leaking memory and potentially exhausting resources to cause a denial of service.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:31 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | vendor-advisory |
| https://github.com/ImageMagick/ImageMagick/commit… | patch |
| https://github.com/ImageMagick/ImageMagick6/commi… | patch |
| https://www.vulncheck.com/advisories/imagemagick-… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
7.0.0-0 , < 7.1.2-32
(custom)
Unaffected: 7.1.2-32 (custom) |
|
| ImageMagick | ImageMagick |
Affected:
0 , < 6.9.13-57
(custom)
Unaffected: 6.9.13-57 (custom) |
Date Public
2026-09-27 00:00
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CVE-2026-109262 (GCVE-0-2026-109262)
Vulnerability from cvelistv5 – Published: 2026-10-12 16:04 – Updated: 2026-10-15 02:33
VLAI
EPSS
VEX
Title
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 Memory Leak in SVG Encoder
Summary
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contains a memory leak in the SVG encoder (WriteSVGImage) that fails to release allocated memory when handling crafted images. Attackers can supply crafted image files that are processed by the SVG encoder to leak memory and cause a denial of service through resource consumption.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 02:32 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | vendor-advisory |
| https://github.com/ImageMagick/ImageMagick/commit… | patch |
| https://github.com/ImageMagick/ImageMagick6/commi… | patch |
| https://www.vulncheck.com/advisories/imagemagick-… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
7.0.0-0 , < 7.1.2-32
(custom)
Unaffected: 7.1.2-32 (custom) |
|
| ImageMagick | ImageMagick |
Affected:
0 , < 6.9.13-57
(custom)
Unaffected: 6.9.13-57 (custom) |
Date Public
2026-09-27 00:00
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CVE-2026-109261 (GCVE-0-2026-109261)
Vulnerability from cvelistv5 – Published: 2026-10-12 16:04 – Updated: 2026-10-18 11:53
VLAI
EPSS
VEX
Title
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 Memory Leak in GIF Encoder
Summary
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contains a memory leak in the GIF encoder because allocated memory is not released when color quantization fails during encoding. Attackers can supply images whose GIF conversion causes quantization to fail, leaking memory with each attempt and degrading availability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-18 11:38 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | vendor-advisory |
| https://github.com/ImageMagick/ImageMagick/commit… | patch |
| https://github.com/ImageMagick/ImageMagick6/commi… | patch |
| https://www.vulncheck.com/advisories/imagemagick-… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
7.0.0-0 , < 7.1.2-32
(custom)
Unaffected: 7.1.2-32 (custom) |
|
| ImageMagick | ImageMagick |
Affected:
0 , < 6.9.13-57
(custom)
Unaffected: 6.9.13-57 (custom) |
Date Public
2026-09-27 00:00
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CVE-2026-109260 (GCVE-0-2026-109260)
Vulnerability from cvelistv5 – Published: 2026-10-12 16:04 – Updated: 2026-10-13 18:18
VLAI
EPSS
VEX
Title
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 Memory Leak in PNG Encoder
Summary
ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contains a memory leak in the PNG encoder, which does not release allocated memory when libpng initialization fails. Attackers who can repeatedly trigger PNG encoding operations in which libpng initialization fails can exhaust memory and cause a denial of service.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:18 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | vendor-advisory |
| https://github.com/ImageMagick/ImageMagick/commit… | patch |
| https://github.com/ImageMagick/ImageMagick6/commi… | patch |
| https://www.vulncheck.com/advisories/imagemagick-… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
7.0.0-0 , < 7.1.2-32
(custom)
Unaffected: 7.1.2-32 (custom) |
|
| ImageMagick | ImageMagick |
Affected:
0 , < 6.9.13-57
(custom)
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Date Public
2026-09-27 00:00
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CVE-2026-108949 (GCVE-0-2026-108949)
Vulnerability from cvelistv5 – Published: 2026-11-04 10:09 – Updated: 2026-11-06 16:20
VLAI
EPSS
VEX
Title
Apache ActiveMQ, ActiveMQ Broker: Repeated rejected temporary destination consumer requests can lead to broker OOM
Summary
Denial of Service via OOM vulnerability in Apache ActiveMQ, ActiveMQ Broker.
An authenticated OpenWire client that sends a ConsumerInfo for a temporary queue/topic owned by another connection is rejected with InvalidDestinationException, but the rejected Subscription is left behind in the region's subscriptions map. Repeating the request leaks broker heap until OOM because the broker does not clean up the rejected subscriptions in the map.
This issue affects Apache ActiveMQ: from 6.0.0 before 6.3.3, before 5.19.12; ActiveMQ Broker: from 6.0.0 before 6.3.3, before 5.19.12.
Users are recommended to upgrade to version 6.4.0, 6.3.3, or 5.19.12, which fixes the issue.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 21:12 UTC
CWE
- CWE-401 - Missing release of memory after effective lifetime
Assigner
apache
CNA
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2l1jbc8j88w1n9bd4… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/1… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache ActiveMQ |
Affected:
6.0.0 , < 6.3.3
(semver)
Affected: 0 , < 5.19.12 (semver) |
|
| Apache Software Foundation | ActiveMQ Broker |
Affected:
6.0.0 , < 6.3.3
(semver)
Affected: 0 , < 5.19.12 (semver) |
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CVE-2026-108748 (GCVE-0-2026-108748)
Vulnerability from cvelistv5 – Published: 2026-10-11 12:19 – Updated: 2026-10-13 19:45
VLAI
EPSS
VEX
Title
Quarkus LangChain4j 1.9.0 through 1.14.1 Memory Exhaustion via /_chat/routes WebSocket
Summary
Quarkus LangChain4j 1.9.0 through 1.14.1 contains a missing release of memory vulnerability in the chat-scopes WebSocket /_chat/routes endpoint that allows unauthenticated remote clients to exhaust server memory. Attackers can send repeated CONNECT frames reusing one chatId, leaving orphaned scopes in activeScopes until the JVM exits and degrading availability.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 19:45 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haind/quarkus-langchain4j-chat… | third-party-advisory |
| https://github.com/quarkiverse/quarkus-langchain4… | technical-description |
| https://github.com/quarkiverse/quarkus-langchain4… | technical-description |
| https://github.com/quarkiverse/quarkus-langchain4j | product |
| https://www.vulncheck.com/advisories/quarkus-lang… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| quarkiverse | quarkus-langchain4j |
Affected:
1.9.0 , ≤ 1.14.1
(semver)
|
Date Public
2026-10-10 00:00
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CVE-2026-104874 (GCVE-0-2026-104874)
Vulnerability from cvelistv5 – Published: 2026-10-02 20:21 – Updated: 2026-10-05 16:25
VLAI
EPSS
VEX
Title
Multidict: Reference leak in CIMultiDict/MultiDict items-view union and subtraction
Summary
Multidict is an implementation of a multidict data structure. From 6.7.0 until 6.9.1, the C extension's items-view reflected union operation, operand | d.items(), in multidict_itemsview_or2_impl and subtraction operation, d.items() - operand, in multidict_itemsview_sub1_impl fail to release new key-identity and value references returned for each operand element. Applications that perform these operations over attacker-influenced sequences can leak two strong references per element, and garbage collection cannot reclaim them, so repeated operations can cause unbounded process memory growth and denial of service. Forward union, intersection, non-tuple operand elements, and pure-Python builds are not affected by this reference leak. This issue is fixed in version 6.9.1.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 16:25 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
GitHub_M
CNA
References
3 references
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|---|---|
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| https://github.com/aio-libs/multidict/commit/350b… | x_refsource_MISC |
| https://github.com/aio-libs/multidict/releases/ta… | x_refsource_MISC |
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"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/aio-libs/multidict/security/advisories/GHSA-54p9-h82j-f925"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "multidict",
"vendor": "aio-libs",
"versions": [
{
"status": "affected",
"version": "\u003e= 6.7.0, \u003c 6.9.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Multidict is an implementation of a multidict data structure. From 6.7.0 until 6.9.1, the C extension\u0027s items-view reflected union operation, operand | d.items(), in multidict_itemsview_or2_impl and subtraction operation, d.items() - operand, in multidict_itemsview_sub1_impl fail to release new key-identity and value references returned for each operand element. Applications that perform these operations over attacker-influenced sequences can leak two strong references per element, and garbage collection cannot reclaim them, so repeated operations can cause unbounded process memory growth and denial of service. Forward union, intersection, non-tuple operand elements, and pure-Python builds are not affected by this reference leak. This issue is fixed in version 6.9.1."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-401",
"description": "CWE-401: Missing Release of Memory after Effective Lifetime",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-02T20:21:50.903Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/aio-libs/multidict/security/advisories/GHSA-54p9-h82j-f925",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/aio-libs/multidict/security/advisories/GHSA-54p9-h82j-f925"
},
{
"name": "https://github.com/aio-libs/multidict/commit/350b4a07bf8ff851b6d7544e81b1c748bdc74c40",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/aio-libs/multidict/commit/350b4a07bf8ff851b6d7544e81b1c748bdc74c40"
},
{
"name": "https://github.com/aio-libs/multidict/releases/tag/v6.9.1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/aio-libs/multidict/releases/tag/v6.9.1"
}
],
"source": {
"advisory": "GHSA-54p9-h82j-f925",
"discovery": "UNKNOWN"
},
"title": "Multidict: Reference leak in CIMultiDict/MultiDict items-view union and subtraction"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-104874",
"datePublished": "2026-10-02T20:21:50.903Z",
"dateReserved": "2026-10-02T14:59:11.775Z",
"dateUpdated": "2026-10-05T16:25:56.621Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation MIT-41
Implementation
Strategy: Libraries or Frameworks
- Choose a language or tool that provides automatic memory management, or makes manual memory management less error-prone.
- For example, glibc in Linux provides protection against free of invalid pointers.
- When using Xcode to target OS X or iOS, enable automatic reference counting (ARC) [REF-391].
- To help correctly and consistently manage memory when programming in C++, consider using a smart pointer class such as std::auto_ptr (defined by ISO/IEC ISO/IEC 14882:2003), std::shared_ptr and std::unique_ptr (specified by an upcoming revision of the C++ standard, informally referred to as C++ 1x), or equivalent solutions such as Boost.
Mitigation
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation
Architecture and Design
Build and Compilation
Consider using the Boehm-Demers-Weiser garbage collector (bdwgc), which can help avoid leaks.
No CAPEC attack patterns related to this CWE.