What’s Vulnerable › Vulnerabilities

CVE-2018-6621

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-02-05 · updated 2026-06-17
• Weakness: CWE-125

Description

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.

Affected products

• Debian Linux: 8.0, 9.0
• FFmpeg: through 3.2

References

• http://www.securityfocus.com/bid/102950
• https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/118e1b0b3370dd1c0da442901b486689efd1654b
• 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
• http://www.securityfocus.com/bid/102950
• https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/118e1b0b3370dd1c0da442901b486689efd1654b
• 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

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