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CVE-2022-25235

Published: 15 February 2022

xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.

Notes

AuthorNote
sbeattie
paraview uses system expat
xotcl uses system expat
poco uses system expat
gdcm uses system expat
audacity uses system expat
simgear uses system expat
coin3 uses system expat as of 4.0.0~CMake~6f54f1602475+ds1-1
sitecopy uses system expat since 1:0.16.0-1 (dapper!)

Priority

High

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
kinetic
Released (1:1snap1-0ubuntu1)
focal Ignored
(bundled deps handled by upstream in new versions)
impish Ignored
(end of life)
lunar
Released (1:1snap1-0ubuntu1)
trusty Does not exist

upstream Needs triage

jammy
Released (1:1snap1-0ubuntu1)
bionic Ignored
(end of standard support, was needed)
xenial Ignored
(end of standard support, was needed)
mantic
Released (1:1snap1-0ubuntu1)
smart
Launchpad, Ubuntu, Debian
kinetic Does not exist

bionic Not vulnerable
(code-not-compiled)
focal Does not exist

impish Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
jammy Does not exist

mantic Does not exist

vtk
Launchpad, Ubuntu, Debian
kinetic Does not exist

xenial Needs triage

bionic Does not exist

focal Does not exist

impish Does not exist

lunar Does not exist

trusty Needs triage

upstream Needs triage

jammy Does not exist

mantic Does not exist

thunderbird
Launchpad, Ubuntu, Debian
xenial Ignored
(end of standard support, was needed)
kinetic Ignored
(end of life, was needs-triage)
focal Ignored
(bundled deps handled by upstream in new versions)
lunar Ignored
(end of life, was ignored [bundled deps handled by upstream in new versions])
bionic Ignored
(end of standard support, was needed)
impish Ignored
(end of life)
trusty Does not exist

upstream Needs triage

jammy Ignored
(bundled deps handled by upstream in new versions)
mantic Ignored
(bundled deps handled by upstream in new versions)
apache2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
trusty Not vulnerable
(code-not-compiled)
upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
lunar Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)
apr-util
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
trusty Not vulnerable
(code-not-compiled)
upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
lunar Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)
cmake
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
trusty Does not exist

xenial Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
upstream Needs triage

kinetic Not vulnerable
(code-not-compiled)
lunar Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)
ayttm
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

trusty Does not exist

upstream Needs triage

kinetic Does not exist

xenial Needs triage

jammy Does not exist

lunar Does not exist

mantic Does not exist

cableswig
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

trusty Does not exist

impish Does not exist

kinetic Does not exist

lunar Does not exist

upstream Needs triage

xenial Needs triage

jammy Does not exist

mantic Does not exist

cadaver
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

trusty Does not exist

upstream Needs triage

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

jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
expat
Launchpad, Ubuntu, Debian
bionic
Released (2.2.5-3ubuntu0.4)
focal
Released (2.2.9-1ubuntu0.2)
impish
Released (2.4.1-2ubuntu0.1)
trusty
Released (2.1.0-4ubuntu1.4+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (2.4.5)
kinetic
Released (2.4.5-2)
lunar
Released (2.4.5-2)
xenial
Released (2.1.0-7ubuntu0.16.04.5+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
jammy
Released (2.4.5-2)
mantic
Released (2.4.5-2)
Patches:
upstream: https://github.com/libexpat/libexpat/commit/306b72134f157bbfd1637b20a22cabf4acfa136a
swish-e
Launchpad, Ubuntu, Debian
xenial Needs triage

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

focal Needs triage

impish Ignored
(end of life)
trusty Does not exist

upstream Needs triage

jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
vnc4
Launchpad, Ubuntu, Debian
xenial Needs triage

bionic Needs triage

focal Does not exist

impish Does not exist

kinetic Does not exist

lunar Does not exist

trusty Needs triage

upstream Needs triage

jammy Does not exist

mantic Does not exist

wbxml2
Launchpad, Ubuntu, Debian
xenial Needs triage

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

focal Needs triage

impish Ignored
(end of life)
trusty Does not exist

upstream Needs triage

jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
xmlrpc-c
Launchpad, Ubuntu, Debian
xenial Needed

kinetic Ignored
(end of life, was needed)
bionic Needed

focal Needed

impish Ignored
(end of life)
trusty Needed

upstream Needs triage

jammy Needed

mantic Needed

lunar Ignored
(end of life, was needed)
libxmltok
Launchpad, Ubuntu, Debian
xenial
Released (1.2-3ubuntu0.16.04.1~esm2)
Available with Ubuntu Pro
kinetic Ignored
(end of life, was needed)
bionic
Released (1.2-4ubuntu0.18.04.1~esm1)
Available with Ubuntu Pro
focal
Released (1.2-4ubuntu0.20.04.1~esm1)
Available with Ubuntu Pro
jammy
Released (1.2-4ubuntu0.22.04.1~esm1)
Available with Ubuntu Pro
trusty Ignored
(end of standard support)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
upstream Needs triage

mantic Needed

lunar Ignored
(end of life, was needed)
matanza
Launchpad, Ubuntu, Debian
xenial Needs triage

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

focal Needs triage

impish Ignored
(end of life)
trusty Does not exist

upstream Needs triage

jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
tdom
Launchpad, Ubuntu, Debian
xenial Needs triage

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

focal Needs triage

impish Ignored
(end of life)
trusty Does not exist

upstream Needs triage

jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
coin3
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Not vulnerable
(uses system expat)
impish Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
lunar Not vulnerable
(uses system expat)
trusty Needs triage

upstream Needs triage

xenial Needs triage

jammy Not vulnerable
(uses system expat)
mantic Not vulnerable
(uses system expat)
gdcm
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
impish Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
lunar Not vulnerable
(uses system expat)
trusty Not vulnerable
(uses system expat)
upstream Needs triage

xenial Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
mantic Not vulnerable
(uses system expat)
ghostscript
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
lunar Not vulnerable
(code-not-compiled)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)
insighttoolkit4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
lunar Not vulnerable
(uses system expat)
impish Ignored
(end of life)
trusty Does not exist

upstream Needs triage

xenial Needs triage

jammy Not vulnerable
(uses system expat)
mantic Does not exist

insighttoolkit
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Needs triage

jammy Does not exist

mantic Does not exist

texlive-bin
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
lunar Not vulnerable
(code-not-compiled)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H