What’s Vulnerable › Vulnerabilities

CVE-2017-17081

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-30 · updated 2026-06-17
• Weakness: CWE-125

Description

The gmc_mmx function in libavcodec/x86/mpegvideodsp.c in FFmpeg 2.3 and 3.4 does not properly validate widths and heights, which allows remote attackers to cause a denial of service (integer signedness error and out-of-array read) via a crafted MPEG file.

Affected products

• FFmpeg: 3.4

References

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3516#c1
• https://github.com/FFmpeg/FFmpeg/commit/27f8d386829689c346ff0cef00d3af57b9fb8903
• https://github.com/FFmpeg/FFmpeg/commit/58cf31cee7a456057f337b3102a03206d833d5e8
• https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2017-November/219748.html
• https://www.debian.org/security/2018/dsa-4099
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3516#c1
• https://github.com/FFmpeg/FFmpeg/commit/27f8d386829689c346ff0cef00d3af57b9fb8903
• https://github.com/FFmpeg/FFmpeg/commit/58cf31cee7a456057f337b3102a03206d833d5e8
• https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2017-November/219748.html
• https://www.debian.org/security/2018/dsa-4099

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