CVE-2024-3204: Blosc C-BLOSC2

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched 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. The associated identifier of this vulnerability is VDB-259051.

Affected products

• Blosc C-BLOSC2: up to and including 2.13.2

Published 2024-04-02. Last modified 2026-06-17.