Bug#1102152: c-blosc2: CVE-2025-29476

[Salvatore Bonaccorso]

Source: c-blosc2
Version: 2.17.1+ds-1
Severity: important
Tags: security upstream
Forwarded: https://github.com/Blosc/c-blosc2/issues/656
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for c-blosc2.

CVE-2025-29476[0]:
| Buffer Overflow vulnerability in compress_chunk_fuzzer with oss-fuzz
| on commit 16450518afddcb3139de627157208e49bfef6987 in c-blosc2
| v.2.17.0 and before.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-29476
    https://www.cve.org/CVERecord?id=CVE-2025-29476
[1] https://github.com/Blosc/c-blosc2/issues/656

Regards,
Salvatore