890748 – (CVE-2022-3341) <media-video/ffmpeg-4.4.4, <media-video/ffmpeg-5.1: null pointer dereference

Bug 890748 (CVE-2022-3341) - <media-video/ffmpeg-4.4.4, <media-video/ffmpeg-5.1: null pointer dereference

Summary: <media-video/ffmpeg-4.4.4, <media-video/ffmpeg-5.1: null pointer dereference

Status:	CONFIRMED

Alias:	CVE-2022-3341

Product:	Gentoo Security
Classification:	Unclassified
Component:	Vulnerabilities (show other bugs)
Hardware:	All Linux

Importance:	Normal normal
Assignee:	Gentoo Security

URL:
Whiteboard:	A3 [glsa?]
Keywords:

Depends on:
Blocks:

Reported:	2023-01-13 20:52 UTC by John Helmert III
Modified:	2025-03-11 01:44 UTC (History)
CC List:	2 users (show)

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Runtime testing required:	---

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Description John Helmert III archtester

2023-01-13 20:52:02 UTC

CVE-2022-3341 (https://bugzilla.redhat.com/show_bug.cgi?id=2157054):

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.

Patch (in 5.1): https://github.com/FFmpeg/FFmpeg/commit/9cf652cef49d74afe3d454f27d49eb1a1394951e

Not sure about any backport.

Comment 1 Ionen Wolkens gentoo-dev

2025-03-11 01:43:34 UTC

Was just looking at this old issue and, for the older 4.4.x branch, this has been fixed since ffmpeg-4.4.4[1] (lowest in-tree is 4.4.5 at the moment)

[1] https://github.com/FFmpeg/FFmpeg/commit/c513bd48039a718dabf6d7a829efb6732693c04b