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CVE-2018-13305

Published: 5 July 2018

In FFmpeg 4.0.1, due to a missing check for negative values of the mquant variable, the vc1_put_blocks_clamped function in libavcodec/vc1_block.c may trigger an out-of-array access while converting a crafted AVI file to MPEG4, leading to an information disclosure or a denial of service.

Notes

AuthorNote
mdeslaur
marking chromium-browser as ignored, since we do full-version
updates, and rely on upstream's bundled ffmpeg version

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
chromium-browser
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Ignored

cosmic Ignored

disco Ignored

eoan Ignored

focal Ignored

groovy Ignored

hirsute Ignored

impish Ignored

jammy Ignored

kinetic Ignored

lunar Ignored

mantic Ignored

noble Ignored

trusty Does not exist
(trusty was ignored [no longer updated])
upstream
Released
xenial Ignored

ffmpeg
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
disco Not vulnerable
(7:4.1-1)
eoan Not vulnerable
(7:4.1-1)
focal Not vulnerable
(7:4.1-1)
groovy Not vulnerable
(7:4.1-1)
hirsute Not vulnerable
(7:4.1-1)
impish Not vulnerable
(7:4.1-1)
jammy Not vulnerable
(7:4.1-1)
kinetic Not vulnerable
(7:4.1-1)
lunar Not vulnerable
(7:4.1-1)
mantic Not vulnerable
(7:4.1-1)
noble Not vulnerable
(7:4.1-1)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)
Patches:
upstream: https://github.com/FFmpeg/FFmpeg/commit/d08d4a8c7387e758d439b0592782e4cfa2b4d6a4
gst-libav1.0
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Needs triage

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

noble Needs triage

trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

xenial Needs triage

libav
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Does not exist

mythtv
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Needs triage

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

noble Needs triage

trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

xenial Needs triage

oxide-qt
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

trusty Does not exist
(trusty was ignored [Ubuntu touch end-of-life])
upstream Needs triage

xenial Ignored
(Ubuntu touch end-of-life)
vlc
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
disco Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
mantic Not vulnerable
(code not present)
noble Not vulnerable
(code not present)
trusty Does not exist

upstream Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H