The avi_read_header function in libavformat/avidec.c in FFmpeg before 3.1.4 is vulnerable to memory leak when decoding an AVI file that has…

published 2016-12-23 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-8408

cvss: 5.5; 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

The avi_read_header function in libavformat/avidec.c in FFmpeg before 3.1.4 is vulnerable to memory leak when decoding an AVI file that has a crafted "strh" structure.

Patch / fix

distros 3

debian opensuse alpine

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

debian advisories DEBIAN-CVE-2016-7555

ffmpeg Package Hub 12 SP1 2.8.8-6.1

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

ffmpeg Alpine 3.4 3.0.7-r0

alpine advisories ALPINE-CVE-2016-7555

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, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	5.5	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

security.gentoo.org /glsa/201701-71
vendor-advisory
openwall.com /lists/oss-security/2016/10/08/1
mailing-list, third-party-advisory
securityfocus.com /bid/94838
vdb-entry, third-party-advisory

Sources

CVE List CVE-2016-7555
NVD CVE-2016-7555

Fencer Intel 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.

Summary