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CVE-2018-18826

Published: 30 October 2018

There exists a heap-based buffer overflow in vc1_decode_p_mb_intfi in vc1_block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
ffmpeg
Launchpad, Ubuntu, Debian
bionic Not vulnerable

cosmic Not vulnerable

disco Not vulnerable

eoan Not vulnerable

focal Not vulnerable

trusty Does not exist

upstream Needs triage

xenial Not vulnerable

groovy Not vulnerable

hirsute Not vulnerable

jammy Not vulnerable

kinetic Not vulnerable

impish Not vulnerable

lunar Not vulnerable

mantic Not vulnerable

gst-libav1.0
Launchpad, Ubuntu, Debian
bionic Needs triage

cosmic Ignored
(end of life)
disco Ignored
(end of life)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
jammy Needs triage

impish Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
eoan Ignored
(end of life)
focal Needs triage

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

xenial Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
qtwebengine-opensource-src
Launchpad, Ubuntu, Debian
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
jammy Needs triage

impish Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
bionic Needs triage

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

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
vlc
Launchpad, Ubuntu, Debian
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
trusty Does not exist

bionic Needs triage

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

impish Ignored
(end of life)
upstream Needs triage

xenial Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
libav
Launchpad, Ubuntu, Debian
impish Does not exist

groovy Does not exist

hirsute Does not exist

jammy Does not exist

kinetic Does not exist

trusty Not vulnerable
(code not present)
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

lunar Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

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