Common Weakness Enumeration

CWE-252

Allowed

Unchecked Return Value

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.

235 vulnerabilities reference this CWE, most recent first.

CVE-2026-77641 (GCVE-0-2026-77641)

Vulnerability from cvelistv5 – Published: 2026-08-20 21:09 – Updated: 2026-08-20 21:09
VLAI
Summary
tor before 0.4.9.9 was prone to a NULL write after free when sending a CONFLUX_SWITCH cell fails. The return value of relay_send_command_from_edge() was ignored, so a send failure (which calls circuit_mark_for_close() and removes the leg via cfx_del_leg()) would go undetected, causing the caller to write to the now-freed current leg and resulting in a crash. This is TROVE-2026-017.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
torproject Tor Affected: 0.4.8.1-alpha , < 0.4.9.9 (custom)
    cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
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CVE-2026-62909 (GCVE-0-2026-62909)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:04 – Updated: 2026-08-24 16:07
VLAI
Title
.NET Elevation of Privilege Vulnerability
Summary
Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 03:55 UTC
CWE
Assigner
References
Impacted products
Date Public
2026-08-11 14:00
Show details on NVD website
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CVE-2026-61857 (GCVE-0-2026-61857)

Vulnerability from cvelistv5 – Published: 2026-07-11 13:01 – Updated: 2026-07-13 17:09
VLAI
Title
ImageMagick before 7.1.2-26 Heap Use-After-Free via XMP
Summary
ImageMagick before 7.1.2-26 contains a heap use-after-free vulnerability caused by missing null check when parsing XMP profiles. Attackers can craft malicious image files with specially crafted XMP data to trigger the vulnerability and cause application crashes.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-13 17:06 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
ImageMagick ImageMagick Affected: 0 , < 7.1.2-26 (semver)
Unaffected: 7.1.2-26 (semver)
Create a notification for this product.
ImageMagick ImageMagick Affected: 0 , < 6.9.13-51 (semver)
Unaffected: 6.9.13-51 (semver)
Create a notification for this product.
Date Public
2026-06-26 00:00
Credits
rexpository
Show details on NVD website
To clipboard 

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CVE-2026-47245 (GCVE-0-2026-47245)

Vulnerability from cvelistv5 – Published: 2026-08-18 15:51 – Updated: 2026-08-18 17:37
VLAI
Title
MyBB: Buddy list corruption
Summary
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 from the acting user's list and then updates mybb_users.buddylist for the target account. The reciprocal update searches for the deleted target UID instead of the acting user's UID and uses the unchecked array_search() return value as an array key. A false result can be converted to index 0, removing the target account's first stored buddy while leaving the actual reciprocal entry unchanged. The uniquely identifying implementation details include false converted to index 0. This issue is fixed in version 1.8.40.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 17:37 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
mybb mybb Affected: < 1.8.40
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-46521 (GCVE-0-2026-46521)

Vulnerability from cvelistv5 – Published: 2026-06-10 21:40 – Updated: 2026-06-11 13:13
VLAI
Title
ImageMagick: Heap Buffer Over-Write in MIFF encoder when using LZMA compression
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, when using LZMA compression in the MIFF encoder an out of bounds write can occur due to a missing check. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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 2026-06-11 13:13 UTC
CWE
  • CWE-131 - Incorrect Calculation of Buffer Size
  • CWE-252 - Unchecked Return Value
  • CWE-787 - Out-of-bounds Write
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
Vendor Product Version
ImageMagick ImageMagick Affected: < 6.9.13-48
Affected: < 7.1.2-23
Create a notification for this product.
Show details on NVD website
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CVE-2026-40092 (GCVE-0-2026-40092)

Vulnerability from cvelistv5 – Published: 2026-05-20 21:16 – Updated: 2026-05-21 12:23
VLAI
Title
nimiq-keys: Unchecked Ed25519 signature length in TaggedPublicKey::verify causes remote node panic via DHT
Summary
nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. In versions 1.3.0 and below, a malicious network peer can crash any Nimiq full node by publishing a crafted Kademlia DHT record. The maliciously crafted record would contain a TaggedSigned<ValidatorRecord, KeyPair> with a signature field whose byte length is not exactly 64 in order to cause a crash. When the victim node's DHT verifier calls TaggedSigned::verify, execution reaches Ed25519Signature::from_bytes(sig).unwrap() in the TaggedPublicKey implementation for Ed25519PublicKey. The from_bytes call fails because ed25519_zebra::Signature::try_from rejects slices not 64 bytes, and the unwrap() panics. The BLS TaggedPublicKey implementation correctly returns false on error; only the Ed25519 implementation panics. This issue has been fixed in version 1.4.0.
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 2026-05-21 12:23 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
nimiq core-rs-albatross Affected: < 1.4.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-40060 (GCVE-0-2026-40060)

Vulnerability from cvelistv5 – Published: 2026-05-13 14:12 – Updated: 2026-05-13 16:12
VLAI
Title
BIG-IP Advanced WAF and ASM vulnerability
Summary
When a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 16:02 UTC
CWE
Assigner
References
URL Tags
https://my.f5.com/manage/s/article/K000160727 vendor-advisorypatch
Impacted products
Vendor Product Version
F5 BIG-IP Unaffected: 21.1.0 , < * (custom)
Affected: 21.0.0 , < 21.0.0.1 (custom)
Affected: 17.5.0 , < 17.5.1.4 (custom)
Affected: 17.1.0 , < 17.1.3.1 (custom)
Affected: 16.1.0 , < * (custom)
Create a notification for this product.
Date Public
2026-05-13 14:00
Credits
F5
Show details on NVD website
To clipboard 

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CVE-2026-35468 (GCVE-0-2026-35468)

Vulnerability from cvelistv5 – Published: 2026-04-03 22:10 – Updated: 2026-04-06 17:22
VLAI
Title
nimiq/core-rs-albatross: Panic in history index request handlers when a full node runs without the history index
Summary
nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, two peer-facing consensus request handlers assume that the history index is always available and call blockchain.history_store.history_index().unwrap() directly. That assumption is false by construction. HistoryStoreProxy::history_index() explicitly returns None for the valid HistoryStoreProxy::WithoutIndex state. when a full node is syncing or otherwise running without the history index, a remote peer can send RequestTransactionsProof or RequestTransactionReceiptsByAddress and trigger an Option::unwrap() panic on the request path. This issue has been patched in version 1.3.0.
Severity
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 2026-04-06 17:21 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
nimiq core-rs-albatross Affected: < 1.3.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-35344 (GCVE-0-2026-35344)

Vulnerability from cvelistv5 – Published: 2026-04-22 16:07 – Updated: 2026-04-22 18:04
VLAI
Title
uutils coreutils dd Silent Data Corruption via Unconditional Truncation Error Suppression
Summary
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 implementation also hides failures on regular files and directories caused by full disks or read-only file systems. This can lead to silent data corruption in backup or migration scripts, as the utility may report a successful operation even when the destination file contains old or garbage data.
Severity
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 18:04 UTC
CWE
Assigner
References
Impacted products
Credits
Zellic
Show details on NVD website
To clipboard 

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CVE-2026-34065 (GCVE-0-2026-34065)

Vulnerability from cvelistv5 – Published: 2026-04-22 19:45 – Updated: 2026-04-23 14:17
VLAI
Title
nimiq-primitives: Node crash due to missing interlink validation in election macro block proposals
Summary
nimiq-primitives contains primitives (e.g., block, account, transaction) to be used in Nimiq's Rust implementation. Prior to version 1.3.0, an untrusted p2p peer can cause a node to panic by announcing an election macro block whose `validators` set contains an invalid compressed BLS voting key. Hashing an election macro header hashes `validators` and reaches `Validators::voting_keys()`, which calls `validator.voting_key.uncompress().unwrap()` and panics on invalid bytes. The patch for this vulnerability is included as part of v1.3.0. No known workarounds are available.
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 2026-04-23 14:16 UTC
CWE
  • CWE-252 - Unchecked Return Value
  • CWE-755 - Improper Handling of Exceptional Conditions
Assigner
References
Impacted products
Vendor Product Version
nimiq nimiq-primitives Affected: < 1.3.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation MIT-53
Implementation

Check the results of all functions that return a value and verify that the value is expected.

Mitigation MIT-56
Implementation

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
Implementation

Ensure that you account for all possible return values from the function.

Mitigation
Implementation

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.

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