CVE-2018-6621
First published: Mon Feb 05 2018(Updated: )
The decode_frame function in libavcodec/utvideodec.c in FFmpeg through 3.2 allows remote attackers to cause a denial of service (out of array read) via a crafted AVI file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/ffmpeg | 7:4.1.9-0+deb10u1 7:4.1.11-0+deb10u1 7:4.3.6-0+deb11u1 7:5.1.3-1 7:6.0-7 | |
| FFmpeg | <=3.2 | |
| Debian GNU/Linux | =8.0 | |
| Debian GNU/Linux | =9.0 |
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Reference Links
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/118e1b0b3370dd1c0da442901b486689efd1654b
- https://security-tracker.debian.org/tracker/CVE-2018-6621
- http://www.securityfocus.com/bid/102950
- https://github.com/FFmpeg/FFmpeg/commit/22aa37c0fedf14531783189a197542a055959b6c
- https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html
- https://www.debian.org/security/2018/dsa-4249
Frequently Asked Questions
What is the severity of CVE-2018-6621?
CVE-2018-6621 has a severity rating that indicates a potential denial of service vulnerability.
How do I fix CVE-2018-6621?
Fix CVE-2018-6621 by updating FFmpeg to a version that is not affected, such as 7:4.1.9-0+deb10u1 or newer.
Which software is affected by CVE-2018-6621?
CVE-2018-6621 affects FFmpeg versions up to and including 3.2 and certain Debian GNU/Linux versions.
Can CVE-2018-6621 be exploited remotely?
Yes, CVE-2018-6621 can be exploited remotely through a crafted AVI file.
What type of attack does CVE-2018-6621 facilitate?
CVE-2018-6621 facilitates a denial of service attack due to an out-of-array read.
- collector/security-tracker-debian
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- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/ffmpeg
- canonical/ffmpeg
- version/ffmpeg/3.2
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- version/debian gnu/linux/9.0