CWE-772
Missing Release of Resource after Effective Lifetime
The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.
CVE-2025-65947 (GCVE-0-2025-65947)
Vulnerability from cvelistv5 – Published: 2025-11-21 22:15 – Updated: 2025-11-24 14:56
VLAI
Title
thread-amount is Vulnerable to Resource Exhaustion (Memory and Handle Leaks) on Windows and macOS
Summary
thread-amount is a tool that gets the amount of threads in the current process. Prior to version 0.2.2, there are resource leaks when querying thread counts on Windows and Apple platforms. In Windows platforms, the thread_amount function calls CreateToolhelp32Snapshot but fails to close the returned HANDLE using CloseHandle. Repeated calls to this function will cause the handle count of the process to grow indefinitely, eventually leading to system instability or process termination when the handle limit is reached. In Apple platforms, the thread_amount function calls task_threads (via Mach kernel APIs) which allocates memory for the thread list. The function fails to deallocate this memory using vm_deallocate. Repeated calls will result in a steady memory leak, eventually causing the process to be killed by the OOM (Out of Memory) killer. This issue has been patched in version 0.2.2.
Severity
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/jzeuzs/thread-amount/security/… | x_refsource_CONFIRM |
| https://github.com/jzeuzs/thread-amount/pull/29 | x_refsource_MISC |
| https://github.com/jzeuzs/thread-amount/commit/28… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| jzeuzs | thread-amount |
Affected:
< 0.2.2
|
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CVE-2026-20082 (GCVE-0-2026-20082)
Vulnerability from cvelistv5 – Published: 2026-03-04 17:22 – Updated: 2026-03-04 20:52
VLAI
Summary
A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly.
This vulnerability is due to improper handling of new, incoming TCP connections that are destined to management or data interfaces when the device is under a TCP SYN flood attack. An attacker could exploit this vulnerability by sending a crafted stream of traffic to an affected device. A successful exploit could allow the attacker to prevent all incoming TCP connections to the device from being established, including remote management access, Remote Access VPN (RAVPN) connections, and all network protocols that are TCP-based. This results in a denial of service (DoS) condition for affected features.
Severity
8.6 (High)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Secure Firewall Adaptive Security Appliance (ASA) Software |
Affected:
9.20.4.14
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CVE-2026-21874 (GCVE-0-2026-21874)
Vulnerability from cvelistv5 – Published: 2026-01-08 09:50 – Updated: 2026-01-08 14:43
VLAI
Title
NiceGUI has Redis connection leak via tab storage causes service degradation
Summary
NiceGUI is a Python-based UI framework. From versions v2.10.0 to 3.4.1, an unauthenticated attacker can exhaust Redis connections by repeatedly opening and closing browser tabs on any NiceGUI application using Redis-backed storage. Connections are never released, leading to service degradation when Redis hits its connection limit. NiceGUI continues accepting new connections - errors are logged but the app stays up with broken storage functionality. This issue has been patched in version 3.5.0.
Severity
5.3 (Medium)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/zauberzeug/nicegui/security/ad… | x_refsource_CONFIRM |
| https://github.com/zauberzeug/nicegui/commit/6c52… | x_refsource_MISC |
| https://github.com/zauberzeug/nicegui/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zauberzeug | nicegui |
Affected:
>= 2.10.0, < 3.5.0
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CVE-2026-2261 (GCVE-0-2026-2261)
Vulnerability from cvelistv5 – Published: 2026-03-09 12:10 – Updated: 2026-03-11 15:02
VLAI
Title
blocklistd(8) socket leak
Summary
Due to a programming error, blocklistd leaks a socket descriptor for each adverse event report it receives.
Once a certain number of leaked sockets is reached, blocklistd becomes unable to run the helper script: a child process is forked, but this child dereferences a null pointer and crashes before it is able to exec the helper. At this point, blocklistd still records adverse events but is unable to block new addresses or unblock addresses whose database entries have expired.
Once a second, much higher number of leaked sockets is reached, blocklistd becomes unable to receive new adverse event reports.
An attacker may take advantage of this by triggering a large number of adverse events from sacrificial IP addresses to effectively disable blocklistd before launching an attack.
Even in the absence of attacks or probes by would-be attackers, adverse events will occur regularly in the course of normal operations, and blocklistd will gradually run out file descriptors and become ineffective.
The accumulation of open sockets may have knock-on effects on other parts of the system, resulting in a general slowdown until blocklistd is restarted.
Severity
7.5 (High)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.freebsd.org/advisories/FreeBSD-S… | vendor-advisory |
Impacted products
Date Public
2026-02-10 19:00
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CVE-2026-2359 (GCVE-0-2026-2359)
Vulnerability from cvelistv5 – Published: 2026-02-27 15:42 – Updated: 2026-02-27 17:13
VLAI
Title
Multer vulnerable to Denial of Service via resource exhaustion
Summary
Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability in Multer prior to version 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by dropping connection during file upload, potentially causing resource exhaustion. Users should upgrade to version 2.1.0 to receive a patch. No known workarounds are available.
Severity
CWE
Assigner
References
Impacted products
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CVE-2026-3104 (GCVE-0-2026-3104)
Vulnerability from cvelistv5 – Published: 2026-03-25 13:29 – Updated: 2026-03-25 14:56
VLAI
Title
Memory leak in code preparing DNSSEC proofs of non-existence
Summary
A specially crafted domain can be used to cause a memory leak in a BIND resolver simply by querying this domain.
This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1.
BIND 9 versions 9.18.0 through 9.18.46 and 9.18.11-S1 through 9.18.46-S1 are NOT affected.
Severity
7.5 (High)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://kb.isc.org/docs/cve-2026-3104 | vendor-advisory |
| https://downloads.isc.org/isc/bind9/9.20.21 | patch |
| https://downloads.isc.org/isc/bind9/9.21.20 | patch |
Impacted products
Date Public
2026-03-25 00:00
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CVE-2026-35227 (GCVE-0-2026-35227)
Vulnerability from cvelistv5 – Published: 2026-05-12 07:14 – Updated: 2026-05-13 14:38
VLAI
Title
Improper resource management in CODESYS Modbus TCP Server
Summary
An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections.
Severity
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
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CVE-2026-39455 (GCVE-0-2026-39455)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:12 – Updated: 2026-05-13 16:09
VLAI
Title
BIG-IP Configuration utility vulnerability
Summary
When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol (LDAP) authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000160874 | vendor-advisorypatch |
Impacted products
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2026-05-13 14:00
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CVE-2026-42577 (GCVE-0-2026-42577)
Vulnerability from cvelistv5 – Published: 2026-05-13 18:00 – Updated: 2026-05-14 15:39
VLAI
Title
Netty: epoll transport denial of service via RST on half-closed TCP connection
Summary
Netty is an asynchronous, event-driven network application framework. From 4.2.0.Final to 4.2.13.Final , Netty's epoll transport fails to detect and close TCP connections that receive a RST after being half-closed, leading to stale channels that are never cleaned up and, in some code paths, a 100% CPU busy-loop in the event loop thread. This vulnerability is fixed in 4.2.13.Final.
Severity
7.5 (High)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/netty/netty/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/netty/netty/pull/16689 | x_refsource_MISC |
| https://github.com/netty/netty/commit/0ec3d97fab3… | x_refsource_MISC |
Impacted products
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CVE-2026-9156 (GCVE-0-2026-9156)
Vulnerability from cvelistv5 – Published: 2026-05-27 01:19 – Updated: 2026-05-27 13:50
VLAI
Title
Tanium addressed a denial of service vulnerability in Tanium Server.
Summary
Tanium addressed a denial of service vulnerability in Tanium Server.
Severity
6.5 (Medium)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Tanium | Tanium Server |
Affected:
7.6.4.0 , < 7.6.4.2190
(custom)
Affected: 7.7.3.0 , < 7.7.3.8274 (custom) Affected: 7.8.2.0 , < 7.8.2.1176 (custom) |
Date Public
2026-05-27 01:19
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Mitigation ID: MIT-3
Phase: Requirements
Strategy: Language Selection
Description:
- 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
Phase: Implementation
Description:
- 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 ID: MIT-47
Phases: Operation, Architecture and Design
Strategy: Resource Limitation
Description:
- 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.