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.— MITRE CWE catalog
226 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-252page 5 of 5
- CVE-2025-64169MEDIUMCVSS 4.9EG 4.92025-11-21
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 3.7.0 to before 4.12.0, fim_alert() implementation does not check whether oldsum->md5 is NULL or not before dereferencing it. A comp…
- CVE-2025-58903MEDIUMCVSS 4.9EG 4.92025-10-14
An Unchecked Return Value vulnerability [CWE-252] in Fortinet FortiOS version 7.6.0 through 7.6.3 and before 7.4.8 API allows an authenticated user to cause a Null Pointer Dereference, crashing the http daemon via a specialy crafted reque…
- CVE-2025-55146MEDIUMCVSS 4.9EG 4.92025-09-09
An unchecked return value in Ivanti Connect Secure before 22.7R2.9 or 22.8R2, Ivanti Policy Secure before 22.7R1.6, Ivanti ZTA Gateway before 2.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) al…
- CVE-2021-29739MEDIUMCVSS 4.9EG 4.92021-08-10
IBM Planning Analytics Local 2.0 could allow a remote attacker to obtain sensitive information when a stack trace is returned in the browser. X-Force ID: 198846.
- CVE-2026-125072MEDIUMCVSS 4.7EG 4.72026-11-09
FFmpeg through 9.0.2 contains a NULL pointer dereference vulnerability in mp_decode_frame() in libavcodec/mpegaudiodec_template.c because init_get_bits() failure is ignored after a signed integer overflow. Attackers can pass an oversized p…
- CVE-2026-125071MEDIUMCVSS 4.7EG 4.72026-11-09
FFmpeg through 9.0.2 contains a NULL pointer dereference vulnerability in libavcodec/jvdec.c that allows attackers to crash applications by supplying oversized JV video packets. Attackers can pass a roughly 268435460-byte packet through th…
- CVE-2026-125069MEDIUMCVSS 4.7EG 4.72026-11-09
FFmpeg through 9.0.2 contains a NULL pointer dereference vulnerability in the Motion Pixels decoder because mp_decode_frame() ignores init_get_bits() failure. Attackers supplying a roughly 2^28-byte packet through the libavcodec API overfl…
- CVE-2019-20919MEDIUMCVSS 4.7EG 4.72020-09-17
An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.
- CVE-2024-35235MEDIUMCVSS 4.4EG 4.42024-06-11
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.8 and earlier, when starting the cupsd server with a Listen configuration item pointing to a symbolic link, the cupsd proc…
- CVE-2023-4162MEDIUMCVSS 4.4EG 4.42023-08-31
A segmentation fault can occur in Brocade Fabric OS after Brocade Fabric OS v9.0 and before Brocade Fabric OS v9.2.0a through the passwdcfg command. This could allow an authenticated privileged user local user to crash a Brocade Fabri…
- CVE-2023-29243MEDIUMCVSS 4.4EG 4.42023-08-11
Unchecked return value in some Intel(R) RealSense(TM) ID software for Intel(R) RealSense(TM) 450 FA in version 0.25.0 may allow a priviledged user to potentially enable denial of service via local access.
- CVE-2026-47245MEDIUMCVSS 4.3EG 4.32026-08-18
MyBB is free and open source forum software. Prior to 1.8.40, the User CP Buddy/Ignore List component does not validate reciprocal buddy-list updates correctly. The usercp.php?action=do_editlists delete handler removes the selected entry f…
- CVE-2020-8934MEDIUMCVSS 4.3EG 4.32023-07-07
The Site Kit by Google plugin for WordPress is vulnerable to Sensitive Information Disclosure in versions up to, and including, 1.8.0 This is due to the lack of capability checks on the admin_enqueue_scripts action which displays the conne…
- CVE-2021-29853MEDIUMCVSS 4.3EG 4.32021-09-01
IBM Planning Analytics 2.0 could expose information that could be used to to create attacks by not validating the return values from some methods or functions. IBM X-Force ID: 205529.
- CVE-2021-3911MEDIUMCVSS 4.2EG 4.22021-11-11
If the ROA that a repository returns contains too many bits for the IP address then OctoRPKI will crash.
- CVE-2025-25724MEDIUMCVSS 4.0EG 4.02025-03-02
list_item_verbose in tar/util.c in libarchive through 3.7.7 does not check an strftime return value, which can lead to a denial of service or unspecified other impact via a crafted TAR archive that is read with a verbose value of 2. For ex…
- CVE-2026-26080LOWCVSS 3.7EG 3.72026-07-20
HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected.
- CVE-2025-46672LOWCVSS 3.5EG 3.52025-04-27
NASA CryptoLib before 1.3.2 does not check the OTAR crypto function returned status, potentially leading to spacecraft hijacking.
- CVE-2023-50359LOWCVSS 3.4EG 3.42024-02-02
An unchecked return value vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow local authenticated administrators to place the system in a state that could lead to a …
- CVE-2026-19809LOWCVSS 3.3EG 3.32026-11-12
The user-mode system call verifier z_vrfy_charger_get_prop() in drivers/charger/charger_handlers.c declares an uninitialized union charger_propval k_val on the kernel (privileged) stack, passes it to the charger driver back end via z_impl_…
- CVE-2026-86141LOWCVSS 3.3EG 3.32026-09-05
xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure, i.e., it does not calculate a string length after NULL checking.
- CVE-2026-20793LOWCVSS 3.3EG 3.32026-05-12
Unchecked return value for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low co…
- CVE-2026-35344LOWCVSS 3.3EG 3.32026-04-22
The dd utility in uutils coreutils suppresses errors during file truncation operations by unconditionally calling Result::ok() on truncation attempts. While intended to mimic GNU behavior for special files like /dev/null, the uutils implem…
- CVE-2026-95316LOWCVSS 2.9EG 2.92026-09-29
Unchecked return value in Performance in Google Chrome prior to 154.0.8037.57 allowed a local attacker to potentially read memory via a local program. (Chromium security severity: Low)
- CVE-2023-3247LOWCVSS 2.6EG 2.62023-07-22
In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In cas…
- CVE-2023-26591LOWCVSS 2.0EG 2.02024-02-14
Unchecked return value in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an unauthenticated user to potentially enable denial of service via physical access.
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