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CVE-2022-40674

Published: 14 September 2022

libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.

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!)
ebarretto
Nothing in TeX Live statically links to libexpat and nothing
directly links to it either.

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
bionic
Released (107.0+build2-0ubuntu0.18.04.1)
focal
Released (107.0+build2-0ubuntu0.20.04.1)
trusty Ignored
(end of standard support)
upstream Needs triage

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

focal Needs triage

jammy Needs triage

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

mantic Needs triage

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

bionic Needs triage

focal Needs triage

jammy Needs triage

trusty Needs triage

upstream Needs triage

mantic Needs triage

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

jammy Needs triage

upstream Needs triage

xenial Needs triage

bionic Needs triage

trusty Needs triage

mantic Needs triage

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

focal Needs triage

jammy Needs triage

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Not vulnerable
(code not present)
mantic Needs triage

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

bionic Needs triage

focal Needs triage

jammy Needs triage

trusty Ignored
(end of standard support)
upstream Needs triage

mantic Needs triage

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

bionic Needs triage

focal Needs triage

jammy Needs triage

trusty Ignored
(end of standard support)
upstream Needs triage

mantic Needs triage

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

bionic Needs triage

focal Needs triage

jammy Needs triage

trusty Ignored
(end of standard support)
upstream Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
thunderbird
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
jammy Ignored
(bundled deps handled by upstream in new versions)
focal Ignored
(bundled deps handled by upstream in new versions)
bionic Ignored
(end of standard support, was needs-triage)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
lunar Ignored
(bundled deps handled by upstream in new versions)
mantic Ignored
(bundled deps handled by upstream in new versions)
wbxml2
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
bionic Needs triage

focal Needs triage

jammy Needs triage

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

mantic Needs triage

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

focal Needs triage

jammy Needs triage

trusty Needs triage

upstream Needs triage

xenial Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
insighttoolkit4
Launchpad, Ubuntu, Debian
focal Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
bionic Not vulnerable
(uses system expat)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

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

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

focal Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
xenial Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
lunar Not vulnerable
(uses system expat)
mantic Not vulnerable
(uses system expat)
expat
Launchpad, Ubuntu, Debian
bionic
Released (2.2.5-3ubuntu0.8)
focal
Released (2.2.9-1ubuntu0.5)
jammy
Released (2.4.7-1ubuntu0.1)
trusty
Released (2.1.0-4ubuntu1.4+esm7)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
xenial
Released (2.1.0-7ubuntu0.16.04.5+esm6)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

kinetic
Released (2.4.8-2)
lunar
Released (2.5.0-1)
mantic
Released (2.5.0-1)
Patches:
upstream: https://github.com/libexpat/libexpat/commit/4a32da87e931ba54393d465bb77c40b5c33d343b
apache2
Launchpad, Ubuntu, Debian
upstream Needs triage

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

bionic Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
trusty Not vulnerable
(uses system expat)
xenial Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
lunar Not vulnerable
(uses system expat)
mantic Not vulnerable
(uses system expat)
ayttm
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

cableswig
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

smart
Launchpad, Ubuntu, Debian
xenial Needs triage

bionic Needs triage

focal Does not exist

jammy Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

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

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

focal Does not exist

jammy Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

texlive-bin
Launchpad, Ubuntu, Debian
bionic Not vulnerable

focal Not vulnerable

trusty Ignored
(end of standard support)
xenial Needs triage

kinetic Not vulnerable

lunar Not vulnerable

jammy Not vulnerable

upstream Not vulnerable

mantic Not vulnerable

vnc4
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

trusty Needs triage

upstream Needs triage

xenial Needs triage

vtk
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

trusty Needs triage

upstream Needs triage

xenial Needs triage

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H