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Fencer Vulns
medium 6.5

CVE-2017-17081 json

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 rem…

published 2017-11-30 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-8247

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

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.

Patch / fix

  • ffmpeg Debian 14, Debian 13, Debian 12 7:3.4.1-1

debian advisories DEBIAN-CVE-2017-17081

  • ffmpeg Ubuntu 16.04 LTS 7:2.8.14-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-17081

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ffmpeg-4 openSUSE Tumbleweed 4.4-5.2
  • ffmpeg Package Hub 12 SP2 3.4.2-14.1

opensuse advisories openSUSE-SU-2024:10754-1openSUSE-SU-2018:0470-1openSUSE-SU-2018:0476-1

Exploit prediction

1.83% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.