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

Author	Note
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.

Author

Note

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

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)
cadaver Launchpad, Ubuntu, Debian	kinetic	Ignored (end of life, was needs-triage)
	trusty	Ignored (end of standard support)
	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	upstream	Needs triage
	xenial	Needs triage
	lunar	Needs triage
coin3 Launchpad, Ubuntu, Debian	kinetic	Ignored (end of life, was needs-triage)
	xenial	Needs triage
	trusty	Needs triage
	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	upstream	Needs triage
	lunar	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
	trusty	Needs triage
	bionic	Needs triage
	lunar	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)
	lunar	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
	lunar	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
	lunar	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
	lunar	Needs triage
thunderbird Launchpad, Ubuntu, Debian	kinetic	Ignored (end of life, was needs-triage)
	jammy	Ignored (bundled deps handled by upstream in new versions)
	bionic	Ignored (end of standard support, was needs-triage)
	focal	Ignored (bundled deps handled by upstream in new versions)
	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)
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
	lunar	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
	lunar	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)
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)
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)
	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)
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)
ayttm Launchpad, Ubuntu, Debian	trusty	Ignored (end of standard support)
	bionic	Does not exist
	focal	Does not exist
	jammy	Does not exist
	upstream	Needs triage
	xenial	Needs triage
cableswig Launchpad, Ubuntu, Debian	trusty	Ignored (end of standard support)
	bionic	Does not exist
	focal	Does not exist
	jammy	Does not exist
	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)
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
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

References

Bugs

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1019761

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