CVE-2022-3341

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-12 · updated 2026-06-17
Weakness: CWE-476

Description

A null pointer dereference issue was discovered in 'FFmpeg' in decode_main_header() function of libavformat/nutdec.c file. The flaw occurs because the function lacks check of the return value of avformat_new_stream() and triggers the null pointer dereference error, causing an application to crash.

Affected products

Debian Linux: 10.0
FFmpeg: before 5.0.3 — fixed in 5.0.3

How to fix

Upgrade to a fixed version: FFmpeg 5.0.3. Check the vendor advisory for mitigations.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2157054
https://github.com/FFmpeg/FFmpeg/commit/9cf652cef49d74afe3d454f27d49eb1a1394951e
https://lists.debian.org/debian-lts-announce/2023/06/msg00016.html
https://bugzilla.redhat.com/show_bug.cgi?id=2157054
https://github.com/FFmpeg/FFmpeg/commit/9cf652cef49d74afe3d454f27d49eb1a1394951e
https://lists.debian.org/debian-lts-announce/2023/06/msg00016.html

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