CVE-2025-29476

Published: Apr 4, 2025Modified: Jun 17, 2026Deferred

5.5

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Exploitability: 2.1 / Impact: 3.4

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Buffer Overflow vulnerability in compress_chunk_fuzzer with oss-fuzz on commit 16450518afddcb3139de627157208e49bfef6987 in c-blosc2 v.2.17.0 and before.

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (2)

https://github.com/Blosc/c-blosc2/issues/656

Source: cve@mitre.org

https://github.com/lmarch2/poc/blob/main/c-blosk2/c-blosk2.md

Source: cve@mitre.org

Timeline

No history available yet.