CVE-2024-3203

9.8 criticalEPSS 1.4%

A vulnerability, which was classified as critical, was found in c-blosc2 up to 2.13.2. Affected is the function ndlz8_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz8x8.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. VDB-259050 is the identifier assigned to this vulnerability.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWE: CWE-122
Published: 2024-04-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

blosc:c-blosc2

References

https://drive.google.com/drive/folders/1T1k3UeS09m65LjVXExUuZfedNQPWQWCo?usp=sharing
https://github.com/Blosc/c-blosc2/releases/tag/v2.14.3
https://vuldb.com/?ctiid.259050
https://vuldb.com/?id.259050
https://vuldb.com/?submit.304556

Check your stack JSON