CWE-252
Unchecked Return Value
The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.
CVE-2021-42780 (GCVE-0-2021-42780)
Vulnerability from cvelistv5
Published
2022-04-18 00:00
Modified
2025-11-03 21:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash programs using the library.
References
| URL | Tags | |
|---|---|---|
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CVE-2023-40067 (GCVE-0-2023-40067)
Vulnerability from cvelistv5
Published
2024-08-14 13:45
Modified
2025-11-03 21:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- escalation of privilege
- CWE-252 - Unchecked return value
Summary
Unchecked return value in firmware for some Intel(R) CSME may allow an unauthenticated user to potentially enable escalation of privilege via physical access.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Intel(R) CSME |
Version: See references |
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CVE-2023-6918 (GCVE-0-2023-6918)
Vulnerability from cvelistv5
Published
2023-12-18 23:27
Modified
2025-10-10 13:14
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-252 - Unchecked Return Value
Summary
A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected: 0:0.9.6-14.el8 < * cpe:/o:redhat:enterprise_linux:8::baseos cpe:/a:redhat:enterprise_linux:8::appstream |
||||||||||||||||||||||||||||||||
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CVE-2024-42491 (GCVE-0-2024-42491)
Vulnerability from cvelistv5
Published
2024-09-05 17:17
Modified
2025-11-03 22:04
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.24.3, 20.9.3, and 21.4.3 of Asterisk and versions 18.9-cert12 and 20.7-cert2 of certified-asterisk, if Asterisk attempts to send a SIP request to a URI whose host portion starts with `.1` or `[.1]`, and res_resolver_unbound is loaded, Asterisk will crash with a SEGV. To receive a patch, users should upgrade to one of the following versions: 18.24.3, 20.9.3, 21.4.3, certified-18.9-cert12, certified-20.7-cert2. Two workarounds are available. Disable res_resolver_unbound by setting `noload = res_resolver_unbound.so` in modules.conf, or set `rewrite_contact = yes` on all PJSIP endpoints. NOTE: This may not be appropriate for all Asterisk configurations.
References
Impacted products
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CVE-2024-45775 (GCVE-0-2024-45775)
Vulnerability from cvelistv5
Published
2025-02-18 19:25
Modified
2025-08-30 22:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-252 - Unchecked Return Value
Summary
A flaw was found in grub2 where the grub_extcmd_dispatcher() function calls grub_arg_list_alloc() to allocate memory for the grub's argument list. However, it fails to check in case the memory allocation fails. Once the allocation fails, a NULL point will be processed by the parse_option() function, leading grub to crash or, in some rare scenarios, corrupt the IVT data.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Version: 0 ≤ 2.12 |
|||||||||||||||||||||||||||||
|
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CVE-2024-50306 (GCVE-0-2024-50306)
Vulnerability from cvelistv5
Published
2024-11-14 09:55
Modified
2025-11-03 20:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-252 - Unchecked Return Value
Summary
Unchecked return value can allow Apache Traffic Server to retain privileges on startup.
This issue affects Apache Traffic Server: from 9.2.0 through 9.2.5, from 10.0.0 through 10.0.1.
Users are recommended to upgrade to version 9.2.6 or 10.0.2, which fixes the issue.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Version: 9.2.0 ≤ 9.2.5 Version: 10.0.0 ≤ 10.0.1 |
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CVE-2025-0518 (GCVE-0-2025-0518)
Vulnerability from cvelistv5
Published
2025-01-16 16:45
Modified
2025-11-03 20:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Unchecked Return Value, Out-of-bounds Read vulnerability in FFmpeg allows Read Sensitive Constants Within an Executable. This vulnerability is associated with program files https://github.Com/FFmpeg/FFmpeg/blob/master/libavfilter/af_pan.C .
This issue affects FFmpeg: 7.1.
Issue was fixed: https://github.com/FFmpeg/FFmpeg/commit/b5b6391d64807578ab872dc58fb8aa621dcfc38a
https://github.com/FFmpeg/FFmpeg/commit/b5b6391d64807578ab872dc58fb8aa621dcfc38a This issue was discovered by: Simcha Kosman
References
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CVE-2025-11839 (GCVE-0-2025-11839)
Vulnerability from cvelistv5
Published
2025-10-16 14:02
Modified
2025-10-16 14:15
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A security flaw has been discovered in GNU Binutils 2.45. Impacted is the function tg_tag_type of the file prdbg.c. Performing manipulation results in unchecked return value. The attack needs to be approached locally. The exploit has been released to the public and may be exploited.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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CVE-2025-1394 (GCVE-0-2025-1394)
Vulnerability from cvelistv5
Published
2025-07-30 08:11
Modified
2025-08-08 04:07
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-252 - Unchecked Return Value
Summary
Failure to handle the error status returned by the buffer management APIs in SiLabs EmberZNet Zigbee stack may result in data leaks or potential Denial of Service (DoS).
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| silabs.com | Zigbee Stack |
Version: 0 ≤ 4.4.5 |
|||||||
|
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CVE-2025-54571 (GCVE-0-2025-54571)
Vulnerability from cvelistv5
Published
2025-08-05 23:39
Modified
2025-11-03 18:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-252 - Unchecked Return Value
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.11
and below, an attacker can override the HTTP response’s Content-Type, which could lead to several issues depending on the HTTP scenario. For example, we have demonstrated the potential for XSS and arbitrary script source code disclosure in the latest version of mod_security2. This issue is fixed in version 2.9.12.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| owasp-modsecurity | ModSecurity |
Version: < 2.9.12 |
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Mitigation ID: MIT-53
Phase: Implementation
Description:
- Check the results of all functions that return a value and verify that the value is expected.
Mitigation ID: MIT-56
Phase: Implementation
Description:
- For any pointers that could have been modified or provided from a function that can return NULL, check the pointer for NULL before use. When working with a multithreaded or otherwise asynchronous environment, ensure that proper locking APIs are used to lock before the check, and unlock when it has finished [REF-1484].
Mitigation
Phase: Implementation
Description:
- Ensure that you account for all possible return values from the function.
Mitigation
Phase: Implementation
Description:
- When designing a function, make sure you return a value or throw an exception in case of an error.
No CAPEC attack patterns related to this CWE.