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CVE-2015-5479

Published: 9 October 2015

The ff_h263_decode_mba function in libavcodec/ituh263dec.c in Libav before 11.5 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a file with crafted dimensions.

From the Ubuntu Security Team

It was discovered that Libav incorrectly handled certain media files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
ffmpeg
Launchpad, Ubuntu, Debian
artful Not vulnerable
(7:2.8.3-1)
bionic Not vulnerable
(7:2.8.3-1)
cosmic Not vulnerable
(7:2.8.3-1)
disco Not vulnerable
(7:2.8.3-1)
precise Does not exist

trusty Does not exist

upstream Needs triage

wily Not vulnerable
(7:2.7.3-0ubuntu0.15.10.1)
xenial Not vulnerable
(7:2.8.3-1)
yakkety Not vulnerable
(7:2.8.3-1)
zesty Not vulnerable
(7:2.8.3-1)
vivid Not vulnerable
(7:2.5.9-0ubuntu0.15.04.1)
libav
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

precise
Released (4:0.8.17-0ubuntu0.12.04.2)
trusty
Released (6:9.20-0ubuntu0.14.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

vivid Ignored
(end of life)
wily Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

Patches:
upstream: https://git.libav.org/?p=libav.git;a=commitdiff;h=0a49a62f998747cfa564d98d36a459fe70d3299b

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H