Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2020-27844

Published: 5 January 2021

A flaw was found in openjpeg's src/lib/openjp2/t2.c in versions prior to 2.4.0. This flaw allows an attacker to provide crafted input to openjpeg during conversion and encoding, causing an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Notes

AuthorNote
ebarretto
The fix for this CVE was not applied in 2.1.2-1.1+deb9u6 even though
it was mentioned in the changelog and the patch is also in
debian/patches/
ccdm94
the vulnerable code was introduced by commit 4edb8c8337, which was
applied to be a part of version 2.4.0 of openjpeg.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
insighttoolkit4
Launchpad, Ubuntu, Debian
groovy Ignored
(end of life)
bionic Needs triage

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

focal Needs triage

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

trusty Does not exist

upstream Needs triage

mantic Does not exist

lunar Ignored
(end of life, was needs-triage)
blender
Launchpad, Ubuntu, Debian
impish Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)
mantic Not vulnerable
(code not present)
openjpeg
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

trusty Not vulnerable
(code not present)
upstream
Released (2.4.0)
xenial Not vulnerable
(code not present)
kinetic Does not exist

lunar Does not exist

mantic Does not exist

Patches:
upstream: https://github.com/uclouvain/openjpeg/commit/73fdf28342e4594019af26eb6a347a34eceb6296

openjpeg2
Launchpad, Ubuntu, Debian
bionic 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
(2.5.0-1)
lunar Not vulnerable
(2.5.0-1)
trusty Does not exist

upstream
Released (2.4.0)
xenial Not vulnerable
(code not present)
mantic Not vulnerable
(2.5.0-1)
Patches:

upstream: https://github.com/uclouvain/openjpeg/commit/73fdf28342e4594019af26eb6a347a34eceb6296
qtwebengine-opensource-src
Launchpad, Ubuntu, Debian
bionic 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)
trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Not vulnerable
(code not present)
texmaker
Launchpad, Ubuntu, Debian
bionic 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)
trusty Does not exist

upstream Needs triage

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

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H