CVE-2025-29476

Description

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

References

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

Frequently Asked Questions

What is the severity of CVE-2025-29476?: CVE-2025-29476 has been scored as a medium severity vulnerability.
How to fix CVE-2025-29476?: To fix CVE-2025-29476, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-29476 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-29476 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.

Description

Category

CWE-120 – Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

References

Frequently Asked Questions