CVE-2023-52425

Published: 4 February 2024

libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.

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!) insighttoolkit uses system expat as of 4.12.1-dfsg1
mdeslaur	apache2 uses system expat apr-util uses system expat cmake uses system expat ghostscript uses system expat firefox uses system expat

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!)
insighttoolkit uses system expat as of 4.12.1-dfsg1

mdeslaur

apache2 uses system expat
apr-util uses system expat
cmake uses system expat
ghostscript uses system expat
firefox uses system expat

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
apache2 Launchpad, Ubuntu, Debian	bionic	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	mantic	Not vulnerable (uses system expat)
	trusty	Not vulnerable (uses system expat)
	upstream	Needs triage
	xenial	Not vulnerable (uses system expat)
apr-util Launchpad, Ubuntu, Debian	bionic	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	mantic	Not vulnerable (uses system expat)
	trusty	Not vulnerable (uses system expat)
	upstream	Needs triage
	xenial	Not vulnerable (uses system expat)
ayttm Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	jammy	Does not exist
	mantic	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
	mantic	Does not exist
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Needs triage
cadaver Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	mantic	Needs triage
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Needs triage
cmake Launchpad, Ubuntu, Debian	bionic	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	mantic	Not vulnerable (uses system expat)
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Not vulnerable (uses system expat)
coin3 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	mantic	Not vulnerable (uses system expat)
	trusty	Needs triage
	upstream	Needs triage
	xenial	Needs triage
expat Launchpad, Ubuntu, Debian	bionic	Ignored (changes too intrusive)
	focal	Ignored (changes too intrusive)
	jammy	Released (2.4.7-1ubuntu0.3)
	mantic	Released (2.5.0-2ubuntu0.1)
	trusty	Ignored (changes too intrusive)
	upstream	Released (2.6.0-1)
	xenial	Ignored (changes too intrusive)
firefox Launchpad, Ubuntu, Debian	bionic	Ignored (end of standard support)
	focal	Not vulnerable (uses system expat)
	jammy	Not vulnerable (code not present)
	mantic	Not vulnerable (code not present)
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Ignored (end of standard support)
gdcm Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	mantic	Not vulnerable (uses system expat)
	trusty	Not vulnerable (uses system expat)
	upstream	Needs triage
	xenial	Needs triage
ghostscript Launchpad, Ubuntu, Debian	bionic	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	mantic	Not vulnerable (uses system expat)
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Not vulnerable (uses system expat)
insighttoolkit4 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	mantic	Does not exist
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Needs triage
libxmltok Launchpad, Ubuntu, Debian	bionic	Ignored (changes too intrusive)
	focal	Ignored (changes too intrusive)
	jammy	Ignored (changes too intrusive)
	mantic	Ignored (changes too intrusive)
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Ignored (changes too intrusive)
matanza Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	mantic	Needs triage
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Needs triage
smart Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Does not exist
	jammy	Does not exist
	mantic	Does not exist
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Needs triage
swish-e Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	mantic	Needs triage
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Needs triage
tdom Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	mantic	Needs triage
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Needs triage
texlive-bin Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code-not-compiled)
	focal	Not vulnerable (code-not-compiled)
	jammy	Not vulnerable (code-not-compiled)
	mantic	Not vulnerable (code-not-compiled)
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Not vulnerable (code-not-compiled)
thunderbird Launchpad, Ubuntu, Debian	bionic	Ignored (end of standard support)
	focal	Needs triage
	jammy	Needs triage
	mantic	Needs triage
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Ignored (end of standard support)
vnc4 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Does not exist
	jammy	Does not exist
	mantic	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
	mantic	Does not exist
	trusty	Needs triage
	upstream	Needs triage
	xenial	Needs triage
wbxml2 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	mantic	Needs triage
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Needs triage
xmlrpc-c Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	mantic	Needs triage
	trusty	Needs triage
	upstream	Needs triage
	xenial	Needs triage

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Bugs

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1063238

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