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CVE-2020-27842

Published: 5 January 2021

There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application availability.

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
blender
Launchpad, Ubuntu, Debian
bionic Needs triage

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

upstream Needs triage

xenial Needs triage

ghostscript
Launchpad, Ubuntu, Debian
bionic
Released (9.26~dfsg+0-0ubuntu0.18.04.14)
focal Not vulnerable
(uses system openjpeg2)
groovy Not vulnerable
(uses system openjpeg2)
hirsute Not vulnerable
(uses system openjpeg2)
impish Not vulnerable
(uses system openjpeg2)
jammy Not vulnerable
(uses system openjpeg2)
kinetic Not vulnerable
(uses system openjpeg2)
lunar Not vulnerable
(uses system openjpeg2)
mantic Not vulnerable
(uses system openjpeg2)
noble Not vulnerable
(uses system openjpeg2)
trusty Does not exist

upstream Needs triage

xenial
Released (9.26~dfsg+0-0ubuntu0.16.04.14)
insighttoolkit4
Launchpad, Ubuntu, Debian
bionic Needs triage

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 Does not exist

noble Does not exist

trusty Does not exist

upstream Needs triage

xenial Needs triage

openjpeg
Launchpad, Ubuntu, Debian
bionic 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 Ignored
(changes too intrusive)
upstream Needs triage

xenial Ignored
(changes too intrusive)
openjpeg2
Launchpad, Ubuntu, Debian
bionic
Released (2.3.0-2+deb10u2build0.18.04.1)
focal
Released (2.3.1-1ubuntu4.20.04.1)
groovy
Released (2.3.1-1ubuntu4.20.10.1)
hirsute
Released (2.3.1-1ubuntu5)
impish
Released (2.3.1-1ubuntu5)
jammy
Released (2.3.1-1ubuntu5)
kinetic
Released (2.3.1-1ubuntu5)
lunar
Released (2.3.1-1ubuntu5)
mantic
Released (2.3.1-1ubuntu5)
noble
Released (2.3.1-1ubuntu5)
trusty Does not exist

upstream
Released (2.4.0)
xenial
Released (2.1.2-1.1+deb9u6ubuntu0.1~esm3)
Available with Ubuntu Pro
Patches:
upstream: https://github.com/rouault/openjpeg/commit/fbd30b064f8f9607d500437b6fedc41431fd6cdc
qtwebengine-opensource-src
Launchpad, Ubuntu, Debian
bionic Needs triage

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

upstream Needs triage

xenial Does not exist

texmaker
Launchpad, Ubuntu, Debian
bionic Needs triage

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

upstream Needs triage

xenial Needs triage

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H