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CVE-2022-43680

Published: 24 October 2022

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.

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!)
mdeslaur
apache2 uses system expat
apr-util uses system expat
cmake uses system expat
ghostscript uses system expat
Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
apache2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
trusty Not vulnerable
(uses system expat)
upstream Needs triage

xenial Not vulnerable
(uses system expat)
apr-util
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
trusty Not vulnerable
(uses system expat)
upstream Needs triage

xenial Not vulnerable
(uses system expat)
ayttm
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
cableswig
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
cadaver
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

kinetic Needs triage

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
cmake
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
trusty Ignored
(out of standard support)
upstream Needs triage

xenial Not vulnerable
(uses system expat)
coin3
Launchpad, Ubuntu, Debian
bionic Needs triage

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

upstream Needs triage

xenial Ignored
(end of standard support)
expat
Launchpad, Ubuntu, Debian
bionic
Released (2.2.5-3ubuntu0.8)
focal
Released (2.2.9-1ubuntu0.6)
jammy
Released (2.4.7-1ubuntu0.2)
kinetic
Released (2.4.8-2ubuntu0.22.10.1)
trusty Needs triage

upstream Needs triage

xenial
Released (2.1.0-7ubuntu0.16.04.5+esm7)
Patches:
upstream: https://github.com/libexpat/libexpat/commit/56967f83d68d5fc750f9e66a9a76756c94c7c173
firefox
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

kinetic Needs triage

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Needs triage

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

xenial Not vulnerable
(uses system expat)
ghostscript
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
trusty Ignored
(out of standard support)
upstream Needs triage

xenial Not vulnerable
(uses system expat)
insighttoolkit
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
insighttoolkit4
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

kinetic Needs triage

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
libxmltok
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

kinetic Needs triage

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
matanza
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

kinetic Needs triage

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
smart
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
swish-e
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

kinetic Needs triage

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
tdom
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

kinetic Needs triage

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
texlive-bin
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
trusty Ignored
(out of standard support)
upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
thunderbird
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

kinetic Needs triage

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Needs triage

vnc4
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

trusty Needs triage

upstream Needs triage

xenial Ignored
(end of standard support)
vtk
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

trusty Needs triage

upstream Needs triage

xenial Ignored
(end of standard support)
wbxml2
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

kinetic Needs triage

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
xmlrpc-c
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Needs triage

kinetic Needs triage

trusty Needs triage

upstream Needs triage

xenial Ignored
(end of standard support)