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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 Severity Score

9.8

Score breakdown

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

xenial Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
lunar Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)
expat
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial
Released (2.1.0-7ubuntu0.16.04.5+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
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)
kinetic
Released (2.4.3-2)
trusty
Released (2.1.0-4ubuntu1.4+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
lunar
Released (2.4.3-2)
mantic
Released (2.4.3-2)
Patches:
upstream: https://github.com/libexpat/libexpat/pull/550/commits/847a645152f5ebc10ac63b74b604d0c1a79fae40
upstream: https://github.com/libexpat/libexpat/pull/550/commits/acf956f14bf79a5e6383a969aaffec98bfbc2e44 (test)
apr-util
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
upstream Needs triage

impish Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
trusty Not vulnerable
(code-not-compiled)
xenial Not vulnerable
(code-not-compiled)
lunar Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)
cableswig
Launchpad, Ubuntu, Debian
xenial Needs triage

bionic Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

lunar Does not exist

mantic Does not exist

cadaver
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
kinetic Ignored
(end of life, was needs-triage)
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)
lunar Needs triage

mantic Needs triage

coin3
Launchpad, Ubuntu, Debian
xenial Needed

bionic Needed

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

upstream Needs triage

lunar Not vulnerable
(uses system expat)
mantic Not vulnerable
(uses system expat)
thunderbird
Launchpad, Ubuntu, Debian
lunar Ignored
(bundled deps handled by upstream in new versions)
focal Ignored
(bundled deps handled by upstream in new versions)
jammy Ignored
(bundled deps handled by upstream in new versions)
impish Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
trusty Does not exist

upstream Needs triage

bionic Ignored
(end of standard support, was needed)
xenial Ignored
(end of standard support, was needed)
mantic Ignored
(bundled deps handled by upstream in new versions)
ayttm
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)
lunar Does not exist

mantic Does not exist

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)
kinetic Not vulnerable
(code-not-compiled)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
lunar Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)
firefox
Launchpad, Ubuntu, Debian
focal Ignored
(bundled deps handled by upstream in new versions)
bionic Ignored
(end of standard support, was needed)
impish Ignored
(end of life)
jammy
Released (1:1snap1-0ubuntu1)
kinetic
Released (1:1snap1-0ubuntu1)
trusty Does not exist

upstream Needs triage

lunar
Released (1:1snap1-0ubuntu1)
xenial Ignored
(end of standard support, was needed)
mantic
Released (1:1snap1-0ubuntu1)
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)
kinetic Not vulnerable
(uses system expat)
trusty Not vulnerable
(uses system expat)
upstream Needs triage

xenial Not vulnerable
(uses system expat)
lunar 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)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
lunar 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)
impish Ignored
(end of life)
jammy Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
trusty Does not exist

upstream Needs triage

xenial Needed

lunar 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

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Needed

lunar Does not exist

mantic Does not exist

libxmltok
Launchpad, Ubuntu, Debian
kinetic Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
hirsute Ignored
(end of life)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
trusty Ignored
(end of standard support)
upstream Needs triage

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

kinetic Ignored
(end of life, was needs-triage)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)
lunar Needs triage

mantic Needs triage

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

impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

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

mantic Does not exist

swish-e
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
kinetic Ignored
(end of life, was needs-triage)
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)
lunar Needs triage

mantic Needs triage

tdom
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
bionic Needed

focal Needed

impish Ignored
(end of life)
jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Needed

lunar Needs triage

mantic Needs triage

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)
kinetic Not vulnerable
(code-not-compiled)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
lunar Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)
vnc4
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Needed

upstream Needs triage

xenial Needed

lunar Does not exist

mantic Does not exist

vtk
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Needs triage

upstream Needs triage

xenial Needs triage

lunar Does not exist

mantic Does not exist

wbxml2
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
bionic Needed

focal Needed

impish Ignored
(end of life)
jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Needed

lunar Needs triage

mantic Needs triage

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

mantic Needs triage

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