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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

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!)
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

Medium

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)
noble 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)
noble 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

noble 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

noble 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 Ignored
(end of life, was needs-triage)
noble 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)
noble 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)
noble 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)
noble
Released (2.6.0-1)
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)
noble 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)
noble 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)
noble 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

noble 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
(end of life, was ignored [changes too intrusive])
noble 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 Ignored
(end of life, was needs-triage)
noble 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

noble 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 Ignored
(end of life, was needs-triage)
noble 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 Ignored
(end of life, was needs-triage)
noble 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)
noble 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 Ignored
(end of life, was needs-triage)
noble 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

noble 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

noble 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 Ignored
(end of life, was needs-triage)
noble 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 Ignored
(end of life, was needs-triage)
noble 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