CVE-2015-6826: Input Validation
First published: Sun Sep 06 2015(Updated: )
The ff_rv34_decode_init_thread_copy function in libavcodec/rv34.c in FFmpeg before 2.7.2 does not initialize certain structure members, which allows remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted (1) RV30 or (2) RV40 RealVideo data.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu | =12.04 | |
| FFmpeg | <=2.7.1 |
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Reference Links
- http://ffmpeg.org/security.html
- http://git.videolan.org/?p=ffmpeg.git;a=commit;h=3197c0aa87a3b7190e17d49e6fbc7b554e4b3f0a
- http://www.securitytracker.com/id/1033483
- http://www.ubuntu.com/usn/USN-2944-1
- https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=3197c0aa87a3b7190e17d49e6fbc7b554e4b3f0a
Frequently Asked Questions
What is the severity of CVE-2015-6826?
CVE-2015-6826 has a severity rating that indicates it can lead to a denial of service due to invalid pointer access.
How do I fix CVE-2015-6826?
To fix CVE-2015-6826, upgrade FFmpeg to version 2.7.2 or later.
Which versions of FFmpeg are affected by CVE-2015-6826?
FFmpeg versions prior to 2.7.2, specifically up to version 2.7.1, are affected by CVE-2015-6826.
Which operating systems are vulnerable to CVE-2015-6826?
CVE-2015-6826 affects Ubuntu Linux 12.04 and earlier versions of FFmpeg.
What types of attacks can CVE-2015-6826 facilitate?
CVE-2015-6826 can facilitate remote denial of service attacks through crafted RV30 or RV40 RealVideo streams.
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- version/ffmpeg/2.7.1