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Fencer Vulns
high 7.8

CVE-2016-7502 json

The cavs_idct8_add_c function in libavcodec/cavsdsp.c in FFmpeg before 3.1.4 is vulnerable to reading out-of-bounds memory when decoding wi…

published 2016-12-23 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-8355

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

The cavs_idct8_add_c function in libavcodec/cavsdsp.c in FFmpeg before 3.1.4 is vulnerable to reading out-of-bounds memory when decoding with cavs_decode.

Patch / fix

  • ffmpeg Debian 14, Debian 13, Debian 12 7:3.1.4-1

debian advisories DEBIAN-CVE-2016-7502

  • ffmpeg Ubuntu 16.04 LTS 7:2.8.10-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2016-7502

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 Package Hub 12 SP1 2.8.8-6.1

opensuse advisories openSUSE-SU-2016:2556-1openSUSE-SU-2016:2560-1

  • ffmpeg Alpine 3.3 2.8.11-r0
  • ffmpeg Alpine 3.4 3.0.7-r0

alpine advisories ALPINE-CVE-2016-7502

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

1.38% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/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.