CVE-2022-25235

Published: 15 February 2022

xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.

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!)

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!)

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	kinetic	Released (1:1snap1-0ubuntu1)
	focal	Ignored (bundled deps handled by upstream in new versions)
	impish	Ignored (end of life)
	lunar	Released (1:1snap1-0ubuntu1)
	trusty	Does not exist
	upstream	Needs triage
	jammy	Released (1:1snap1-0ubuntu1)
	bionic	Ignored (end of standard support, was needed)
	xenial	Ignored (end of standard support, was needed)
	mantic	Released (1:1snap1-0ubuntu1)
smart Launchpad, Ubuntu, Debian	kinetic	Does not exist
	bionic	Not vulnerable (code-not-compiled)
	focal	Does not exist
	impish	Does not exist
	lunar	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Not vulnerable (code-not-compiled)
	jammy	Does not exist
	mantic	Does not exist
vtk Launchpad, Ubuntu, Debian	kinetic	Does not exist
	xenial	Needs triage
	bionic	Does not exist
	focal	Does not exist
	impish	Does not exist
	lunar	Does not exist
	trusty	Needs triage
	upstream	Needs triage
	jammy	Does not exist
	mantic	Does not exist
thunderbird Launchpad, Ubuntu, Debian	xenial	Ignored (end of standard support, was needed)
	kinetic	Ignored (end of life, was needs-triage)
	focal	Ignored (bundled deps handled by upstream in new versions)
	lunar	Ignored (bundled deps handled by upstream in new versions)
	bionic	Ignored (end of standard support, was needed)
	impish	Ignored (end of life)
	trusty	Does not exist
	upstream	Needs triage
	jammy	Ignored (bundled deps handled by upstream in new versions)
	mantic	Ignored (bundled deps handled by upstream in new versions)
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)
	kinetic	Not vulnerable (code-not-compiled)
	lunar	Not vulnerable (code-not-compiled)
	jammy	Not vulnerable (code-not-compiled)
	mantic	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)
	trusty	Not vulnerable (code-not-compiled)
	upstream	Needs triage
	xenial	Not vulnerable (code-not-compiled)
	kinetic	Not vulnerable (code-not-compiled)
	lunar	Not vulnerable (code-not-compiled)
	jammy	Not vulnerable (code-not-compiled)
	mantic	Not vulnerable (code-not-compiled)
cmake Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code-not-compiled)
	focal	Not vulnerable (code-not-compiled)
	trusty	Does not exist
	xenial	Not vulnerable (code-not-compiled)
	impish	Not vulnerable (code-not-compiled)
	upstream	Needs triage
	kinetic	Not vulnerable (code-not-compiled)
	lunar	Not vulnerable (code-not-compiled)
	jammy	Not vulnerable (code-not-compiled)
	mantic	Not vulnerable (code-not-compiled)
ayttm Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	impish	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	kinetic	Does not exist
	xenial	Needs triage
	jammy	Does not exist
	lunar	Does not exist
	mantic	Does not exist
cableswig Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	trusty	Does not exist
	impish	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	upstream	Needs triage
	xenial	Needs triage
	jammy	Does not exist
	mantic	Does not exist
cadaver Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	impish	Ignored (end of life)
	lunar	Needs triage
	xenial	Needs triage
	jammy	Needs triage
	mantic	Needs triage
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)
	trusty	Released (2.1.0-4ubuntu1.4+esm4) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Released (2.4.5)
	kinetic	Released (2.4.5-2)
	lunar	Released (2.4.5-2)
	xenial	Released (2.1.0-7ubuntu0.16.04.5+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	jammy	Released (2.4.5-2)
	mantic	Released (2.4.5-2)
	Patches: upstream: https://github.com/libexpat/libexpat/commit/306b72134f157bbfd1637b20a22cabf4acfa136a
swish-e Launchpad, Ubuntu, Debian	xenial	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	bionic	Needs triage
	focal	Needs triage
	impish	Ignored (end of life)
	lunar	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	jammy	Needs triage
	mantic	Needs triage
vnc4 Launchpad, Ubuntu, Debian	xenial	Needs triage
	bionic	Needs triage
	focal	Does not exist
	impish	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	trusty	Needs triage
	upstream	Needs triage
	jammy	Does not exist
	mantic	Does not exist
wbxml2 Launchpad, Ubuntu, Debian	xenial	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	bionic	Needs triage
	focal	Needs triage
	impish	Ignored (end of life)
	lunar	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	jammy	Needs triage
	mantic	Needs triage
xmlrpc-c Launchpad, Ubuntu, Debian	xenial	Needed
	kinetic	Ignored (end of life, was needed)
	bionic	Needed
	focal	Needed
	impish	Ignored (end of life)
	lunar	Needed
	trusty	Needed
	upstream	Needs triage
	jammy	Needed
	mantic	Needed
libxmltok Launchpad, Ubuntu, Debian	xenial	Released (1.2-3ubuntu0.16.04.1~esm2) Available with Ubuntu Pro
	kinetic	Ignored (end of life, was needed)
	bionic	Released (1.2-4ubuntu0.18.04.1~esm1) Available with Ubuntu Pro
	focal	Released (1.2-4ubuntu0.20.04.1~esm1) Available with Ubuntu Pro
	jammy	Released (1.2-4ubuntu0.22.04.1~esm1) Available with Ubuntu Pro
	lunar	Needed
	trusty	Ignored (end of standard support)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	upstream	Needs triage
	mantic	Needed
matanza Launchpad, Ubuntu, Debian	xenial	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	bionic	Needs triage
	focal	Needs triage
	impish	Ignored (end of life)
	lunar	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	jammy	Needs triage
	mantic	Needs triage
tdom Launchpad, Ubuntu, Debian	xenial	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	bionic	Needs triage
	focal	Needs triage
	impish	Ignored (end of life)
	lunar	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	jammy	Needs triage
	mantic	Needs triage
coin3 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Not vulnerable (uses system expat)
	impish	Not vulnerable (uses system expat)
	kinetic	Not vulnerable (uses system expat)
	lunar	Not vulnerable (uses system expat)
	trusty	Needs triage
	upstream	Needs triage
	xenial	Needs triage
	jammy	Not vulnerable (uses system expat)
	mantic	Not vulnerable (uses system expat)
gdcm Launchpad, Ubuntu, Debian	bionic	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	impish	Not vulnerable (uses system expat)
	kinetic	Not vulnerable (uses system expat)
	lunar	Not vulnerable (uses system expat)
	trusty	Not vulnerable (uses system expat)
	upstream	Needs triage
	xenial	Not vulnerable (uses system expat)
	jammy	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)
	kinetic	Not vulnerable (code-not-compiled)
	lunar	Not vulnerable (code-not-compiled)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Not vulnerable (code-not-compiled)
	jammy	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)
	kinetic	Not vulnerable (uses system expat)
	lunar	Not vulnerable (uses system expat)
	impish	Ignored (end of life)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
	jammy	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
	kinetic	Does not exist
	lunar	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
	jammy	Does not exist
	mantic	Does not exist
texlive-bin Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code-not-compiled)
	focal	Not vulnerable (code-not-compiled)
	impish	Not vulnerable (code-not-compiled)
	kinetic	Not vulnerable (code-not-compiled)
	lunar	Not vulnerable (code-not-compiled)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Not vulnerable (code-not-compiled)
	jammy	Not vulnerable (code-not-compiled)
	mantic	Not vulnerable (code-not-compiled)

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

References

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