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CVE-2022-23852

Published: 24 January 2022

Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.

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!)
rodrigo-zaiden
libxmltok does not include EXPAT_SAFE_PTR_DIFF method,
so it is not affected.
Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
apache2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
trusty Not vulnerable
(code-not-compiled)
upstream Needs triage

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

xenial Not vulnerable
(code-not-compiled)
ayttm
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

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

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support, was needs-triage)
cadaver
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Needs triage

trusty Does not exist

upstream Needs triage

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

upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
coin3
Launchpad, Ubuntu, Debian
bionic Needed

focal Not vulnerable
(uses system expat)
impish Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
trusty Needed

upstream Needs triage

xenial Ignored
(end of standard support, was needed)
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)
jammy
Released (2.4.3-2)
trusty
Released (2.1.0-4ubuntu1.4+esm4)
upstream Needs triage

xenial
Released (2.1.0-7ubuntu0.16.04.5+esm2)
Patches:
upstream: https://github.com/libexpat/libexpat/pull/550/commits/847a645152f5ebc10ac63b74b604d0c1a79fae40
upstream: https://github.com/libexpat/libexpat/pull/550/commits/acf956f14bf79a5e6383a969aaffec98bfbc2e44 (test)
firefox
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

impish Ignored
(reached end-of-life)
jammy
Released (1:1snap1-0ubuntu1)
trusty Does not exist

upstream Needs triage

xenial Needed

gdcm
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
impish Not vulnerable
(uses system expat)
jammy 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
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
insighttoolkit
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support, was needed)
insighttoolkit4
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

impish Ignored
(reached end-of-life)
jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support, was needed)
libxmltok
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
hirsute Ignored
(reached end-of-life)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(out of standard support)
matanza
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)
smart
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

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

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)
tdom
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

impish Ignored
(reached end-of-life)
jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support, was needed)
texlive-bin
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
trusty Does not exist

upstream Needs triage

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

focal Needed

impish Ignored
(reached end-of-life)
jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Needed

vnc4
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Needed

upstream Needs triage

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

focal Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support, was needs-triage)
wbxml2
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

impish Ignored
(reached end-of-life)
jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support, was needed)
xmlrpc-c
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Needs triage

trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)