Bug 1184553 (CVE-2021-30123) - VUL-0: CVE-2021-30123: ffmpeg: buffer overflow in libavcodec could lead to remote code execution
Summary: VUL-0: CVE-2021-30123: ffmpeg: buffer overflow in libavcodec could lead to re...
Status: RESOLVED INVALID
Alias: CVE-2021-30123
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P3 - Medium : Minor
Target Milestone: ---
Assignee: Alynx Zhou
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/281431/
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Reported: 2021-04-09 11:27 UTC by Robert Frohl
Modified: 2021-06-09 06:56 UTC (History)
3 users (show)

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Found By: Security Response Team
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Blocker: ---
Marketing QA Status: ---
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Description Robert Frohl 2021-04-09 11:27:39 UTC 
CVE-2021-30123

FFmpeg <=4.3 contains a buffer overflow vulnerability in libavcodec through a
crafted file that may lead to remote code execution.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-30123
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30123
https://trac.ffmpeg.org/ticket/8863
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=d6f293353c94c7ce200f6e0975ae3de49787f91f
https://trac.ffmpeg.org/ticket/8845
Comment 1 Alynx Zhou 2021-06-09 06:26:28 UTC 
Does this apply to ffmpeg 3.4.2? It seems code differs in the old version.
Comment 2 Robert Frohl 2021-06-09 06:56:11 UTC 
(In reply to Alynx Zhou from comment #1)
> Does this apply to ffmpeg 3.4.2? It seems code differs in the old version.

sorry, looks like I somehow managed to miss this one. 

I tried to reproduce this with an asan build for 3.4.2 just now and it does not affect our version.
Comment 3 Robert Frohl 2021-06-09 06:56:55 UTC 
updated our tracking, closing