CVE-2022-3341: Null Pointer Dereference
First published: Fri Dec 30 2022(Updated: )
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.
Credit: patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/ffmpeg | <5.1 | 5.1 |
| FFmpeg | <5.1 |
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Reference Links
- https://github.com/FFmpeg/FFmpeg/commit/9cf652cef49d74afe3d454f27d49eb1a1394951e
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2157055
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2157057
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2157056
- https://bugzilla.redhat.com/show_bug.cgi?id=2157054
- https://lists.debian.org/debian-lts-announce/2023/06/msg00016.html
Frequently Asked Questions
What is CVE-2022-3341?
CVE-2022-3341 is a null pointer dereference issue in FFmpeg.
How does the null pointer dereference issue occur in FFmpeg?
The null pointer dereference issue occurs in the decode_main_header() function of the libavformat/nutdec.c file in FFmpeg when the return value of avformat_new_stream() is not checked.
What is the impact of CVE-2022-3341?
The vulnerability can cause an application using FFmpeg to crash due to the null pointer dereference error.
How can I fix CVE-2022-3341?
To fix CVE-2022-3341, update FFmpeg to version 5.1 or later.
Where can I find more information about CVE-2022-3341?
You can find more information about CVE-2022-3341 at the following references: [1] [2] [3]
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