Skip to content
Fencer Vulns
high 7.8

CVE-2016-7450 json

The ff_log2_16bit_c function in libavutil/intmath.h in FFmpeg before 3.1.4 is vulnerable to reading out-of-bounds memory when it decodes a…

published 2016-12-23 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-8303

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

The ff_log2_16bit_c function in libavutil/intmath.h in FFmpeg before 3.1.4 is vulnerable to reading out-of-bounds memory when it decodes a malformed AIFF file.

Patch / fix

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

debian advisories DEBIAN-CVE-2016-7450

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

alpine advisories ALPINE-CVE-2016-7450

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

1.16% chance of exploitation in the next 30 days, higher than 67% 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.