CVE-2025-29476

5.5 mediumEPSS 0.2%

Medium (5.5). EPSS 0.2% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2025-04-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/Blosc/c-blosc2/issues/656
https://github.com/lmarch2/poc/blob/main/c-blosk2/c-blosk2.md

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