Common Weakness Enumeration

CWE-772

Allowed

Missing Release of Resource after Effective Lifetime

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

627 vulnerabilities reference this CWE, most recent first.

CVE-2026-107834 (GCVE-0-2026-107834)

Vulnerability from cvelistv5 – Published: 2026-10-09 17:41 – Updated: 2026-10-09 17:41
VLAI
Title
OWASP Coraza WAF: Resource exhaustion via deferred file handle accumulation in multipart body processor
Summary
OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. From 3.0.0 until 3.8.0, the multipart loop in internal/bodyprocessors/multipart.go executes defer temp.Close() for every uploaded file part, so each temporary-file descriptor remains open until the complete request returns. An unauthenticated attacker can submit a multipart body containing many minimal file parts and exhaust the process file-descriptor table within the request-body size limit, causing os.CreateTemp failures, MULTIPART_STRICT_ERROR responses, blocked legitimate uploads, and process-wide inability to open files or sockets. This issue is fixed in version 3.8.0.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7624 records in the last 180 days details
References
Impacted products
Vendor Product Version
corazawaf coraza Affected: >= 3.0.0, < 3.8.0
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Show details on NVD website
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CVE-2026-107286 (GCVE-0-2026-107286)

Vulnerability from cvelistv5 – Published: 2026-10-08 15:12 – Updated: 2026-10-08 17:27
VLAI
Title
Pydantic AI: Concurrency-limited models can keep their slot when a streamed request ends early
Summary
Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 2.10.0 until 2.53.0, streamed requests made through ConcurrencyLimitedModel or limit_model_concurrency can retain shared concurrency slots because anyio.CapacityLimiter associates an acquired slot with the borrowing task while streaming cleanup can run in a different task. Early stream termination, cancellation, consumer exceptions, or complete stream_text() consumption with debounce_by=0.1 can therefore leave capacity occupied, eventually preventing later requests that share the long-lived limiter from proceeding and causing a denial of service. Agent-level max_concurrency and non-streaming model requests are not affected. This issue is fixed in version 2.53.0.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 17:26 UTC
CWE
  • CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7624 records in the last 180 days details
References
Impacted products
Vendor Product Version
pydantic pydantic-ai Affected: >= 2.10.0, < 2.53.0
Create a notification for this product.
pydantic pydantic-ai-slim Affected: >= 2.10.0, < 2.53.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-104112 (GCVE-0-2026-104112)

Vulnerability from cvelistv5 – Published: 2026-10-09 14:19 – Updated: 2026-10-09 16:45
VLAI
Title
Missing release of passed file descriptors in illumos nscd allows local users to exhaust kernel memory
Summary
A missing release of resources in the illumos name service cache daemon (nscd) allows a local user to exhaust kernel memory. The nscd door server procedure, switcher() in usr/src/cmd/nscd/nscd_frontend.c, does not close file descriptors that are passed with a door call but not used by the request, and the main nscd door at /var/run/name_service_door accepts passed descriptors from any user in its zone. Because nscd also runs with an unlimited file descriptor limit, an unprivileged local user, including one in a non-global zone, can repeatedly pass a descriptor to its zone's nscd in a door_call() loop, causing the file descriptor table of nscd to grow without bound in kernel memory. This causes a denial of service of nscd and can render processes in all zones on the host unresponsive. The flaw has existed since 2006 (illumos-gate commit cb5caa98), and affects any illumos distribution prior to illumos-gate commit af810a72.
Severity
6.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 16:15 UTC
CWE
  • CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
illumos CNA under the redhat root
CNA scorecard – unranked: 9 records in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version
illumos illumos-gate Affected: cb5caa98562cf06753163f558cbcfe30b8f4673a , < af810a72c09944e884ec695e8dbf1702a4f424ae (git)
Create a notification for this product.
OmniOS OmniOS Affected: any , < r151054 (custom)
Affected: r151058 , < r151058w (custom)
Affected: r151056 , < r151056aw (custom)
Affected: r151054 , < r151054bw (custom)
Create a notification for this product.
Credits
Robert French James Wynne III Dan McDonald
Show details on NVD website
To clipboard 

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CVE-2026-104045 (GCVE-0-2026-104045)

Vulnerability from cvelistv5 – Published: 2026-10-06 20:37 – Updated: 2026-10-07 15:23
VLAI
Title
Sssd: sssd: denial of service via race condition in autofs responder
Summary
A flaw was found in SSSD. A local user can trigger a Denial of Service (DoS) by exploiting a race condition in the autofs responder between asynchronous enumeration completion and map invalidation. By repeatedly sending concurrent map enumeration and invalidation requests, an attacker can cause memory to leak, leading to excessive memory consumption that can disrupt or crash the autofs service.
Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 15:22 UTC
CWE
  • CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
redhat CNA under the redhat root
CNA scorecard B 81/100 over 976 records in the last 180 days details
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-104045 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2478663 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-10-06 18:38
Credits
This issue was discovered by Found by AISLE in partnership with Red Hat.
Show details on NVD website
To clipboard 

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CVE-2026-104035 (GCVE-0-2026-104035)

Vulnerability from cvelistv5 – Published: 2026-10-06 00:12 – Updated: 2026-10-08 02:38
VLAI
Title
Sssd: sssd: denial of service via memory exhaustion in kcm responder
Summary
A flaw was found in SSSD. An issue in the Kerberos Credential Manager (KCM) responder allows a local user to cause a Denial of Service (DoS) by maintaining a persistent connection and repeatedly storing and destroying credentials. Because the service fails to release cached objects from memory when credentials are removed, memory consumption grows continuously, ultimately exhausting available memory and rendering the service unresponsive.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 02:38 UTC
CWE
  • CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
redhat CNA under the redhat root
CNA scorecard B 81/100 over 976 records in the last 180 days details
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-104035 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2479107 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-10-05 23:47
Credits
This issue was discovered by Found by AISLE in partnership with Red Hat.
Show details on NVD website
To clipboard 

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CVE-2026-104031 (GCVE-0-2026-104031)

Vulnerability from cvelistv5 – Published: 2026-10-06 00:10 – Updated: 2026-10-06 13:02
VLAI
Title
Sssd: sssd: denial of service via memory exhaustion in autofs responder
Summary
A flaw was found in SSSD. In configurations where the autofs responder service is enabled, memory allocated during successful request processing is not released until the client connection terminates. A local attacker can exploit this vulnerability by maintaining an open connection and repeatedly submitting valid requests, leading to memory exhaustion and a Denial of Service (DoS).
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 13:01 UTC
CWE
  • CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
redhat CNA under the redhat root
CNA scorecard B 81/100 over 976 records in the last 180 days details
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-104031 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2479418 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-10-05 21:45
Credits
This issue was discovered by Found by AISLE in partnership with Red Hat.
Show details on NVD website
To clipboard 

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CVE-2026-100657 (GCVE-0-2026-100657)

Vulnerability from cvelistv5 – Published: 2026-09-26 13:23 – Updated: 2026-09-28 20:59
VLAI

This CVE ID has been rejected as a duplicate.

Replaced by CVE-2026-93494

Show details on NVD website
To clipboard 

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CVE-2026-97686 (GCVE-0-2026-97686)

Vulnerability from cvelistv5 – Published: 2026-09-28 18:48 – Updated: 2026-09-28 21:41
VLAI
Title
VxWorks 7 Memory Resource leak
Summary
Wind River VxWorks 7 prior to 26.09, specific system call arguments can result in the IPNET subsystem failing to properly release allocated kernel memory and system file descriptors before terminating the calling application. Fixed in Version 26.09.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 19:25 UTC
CWE
  • CWE-772 - Missing release of resource after effective lifetime
Assigner
WindRiver CNA under the icscert root
CNA scorecard – unranked: 5 records in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version
Wind River VxWorks 7 Affected: VxWorks 7
Create a notification for this product.
Date Public
2026-09-28 18:39
Show details on NVD website
To clipboard 

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CVE-2026-94651 (GCVE-0-2026-94651)

Vulnerability from cvelistv5 – Published: 2026-10-02 10:48 – Updated: 2026-10-07 22:06
VLAI
Title
Apache Thrift: Java `TSaslNonblockingServer` `Computation.run` orphans a connection on a pre-auth parse error
Summary
improper handling of exceptional conditions, Missing release of resource after effective lifetime vulnerability in Apache Thrift java bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Severity
8.2 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 21:00 UTC
CWE
  • CWE-755 - improper handling of exceptional conditions
  • CWE-772 - Missing release of resource after effective lifetime
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 939 records in the last 180 days details
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Thrift Affected: 0 , < 0.25.0 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-94625 (GCVE-0-2026-94625)

Vulnerability from cvelistv5 – Published: 2026-09-21 22:04 – Updated: 2026-09-23 15:09
VLAI
Title
vLLM through 0.29.0 Resource Exhaustion via Ownerless Mooncake Transfer Placeholders
Summary
vLLM through 0.29.0 contains a resource exhaustion vulnerability in MooncakeConnector where rejected prefill requests create ownerless transfer placeholders that are never reclaimed. Attackers can send rejected requests to exhaust sender task pools, causing valid requests to be delayed by up to 480 seconds while health checks continue returning success.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 15:09 UTC
CWE
  • CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5307 records in the last 180 days details
References
Impacted products
Vendor Product Version
vllm-project vllm Affected: 0 , ≤ 0.29.0 (semver)
    cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-06 00:00
Credits
Mingkai Yu Jiapeng Li Jiajia Liu
Show details on NVD website
To clipboard 

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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.
  • For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.
Mitigation
Implementation

It is good practice to be responsible for freeing all resources you allocate and to be consistent with how and where you free resources in a function. If you allocate resources that you intend to free upon completion of the function, you must be sure to free the resources at all exit points for that function including error conditions.

Mitigation MIT-47
Operation Architecture and Design

Strategy: Resource Limitation

  • Use resource-limiting settings provided by the operating system or environment. For example, when managing system resources in POSIX, setrlimit() can be used to set limits for certain types of resources, and getrlimit() can determine how many resources are available. However, these functions are not available on all operating systems.
  • When the current levels get close to the maximum that is defined for the application (see CWE-770), then limit the allocation of further resources to privileged users; alternately, begin releasing resources for less-privileged users. While this mitigation may protect the system from attack, it will not necessarily stop attackers from adversely impacting other users.
  • Ensure that the application performs the appropriate error checks and error handling in case resources become unavailable (CWE-703).
CAPEC-469: HTTP DoS

An attacker performs flooding at the HTTP level to bring down only a particular web application rather than anything listening on a TCP/IP connection. This denial of service attack requires substantially fewer packets to be sent which makes DoS harder to detect. This is an equivalent of SYN flood in HTTP. The idea is to keep the HTTP session alive indefinitely and then repeat that hundreds of times. This attack targets resource depletion weaknesses in web server software. The web server will wait to attacker's responses on the initiated HTTP sessions while the connection threads are being exhausted.

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