# CVE-2024-3204: c-blosc2: A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical

CVE-2024-3204 is fixed in c-blosc2 on 1 platform, first by DEBIAN-CVE-2024-3204, released April 2, 2024. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2024-3204
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0128
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 2, 2024

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | c-blosc2 Debian 13.5 (trixie) | 2.13.1+ds-3 | [DEBIAN-CVE-2024-3204](https://patchblox.com/security/data/fix/linux/debian-cve-2024-3204.md) | Apr 2, 2024 |
| Linux | c-blosc2 Debian 14 | 2.13.1+ds-3 | [DEBIAN-CVE-2024-3204](https://patchblox.com/security/data/fix/linux/debian-cve-2024-3204.md) | Apr 2, 2024 |

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