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CVE-2022-25313

Published: 18 February 2022

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

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!)
leosilva
from version 2.4.5-2 is known that fix for CVE-2022-25313
caused a regression so additional patches are needed.
rodrigo-zaiden
libxmltok does not include build_model
so, it is not affected.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
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)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
lunar 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)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
lunar 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)
impish Not vulnerable
(code-not-compiled)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
lunar Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)
ayttm
Launchpad, Ubuntu, Debian
bionic Does not exist

xenial Needs triage

focal Does not exist

impish Does not exist

trusty Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

cableswig
Launchpad, Ubuntu, Debian
xenial Needs triage

bionic Does not exist

focal Does not exist

impish Does not exist

trusty Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

cadaver
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)
trusty Does not exist

upstream Needs triage

jammy Needs triage

mantic Needs triage

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

bionic Needs triage

focal Not vulnerable
(uses system expat)
impish Not vulnerable
(uses system expat)
trusty Needs triage

upstream Needs triage

jammy 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
xenial Needs triage

bionic Does not exist

focal Does not exist

impish Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

mantic Does not exist

insighttoolkit4
Launchpad, Ubuntu, Debian
xenial Needs triage

kinetic Not vulnerable
(uses system expat)
bionic Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
lunar Not vulnerable
(uses system expat)
impish Ignored
(end of life)
trusty Does not exist

upstream Needs triage

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

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 Ignored
(end of life, was needs-triage)
trusty Does not exist

upstream Needs triage

jammy Needs triage

mantic Needs triage

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)
trusty Does not exist

upstream Needs triage

jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was 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)
trusty Does not exist

upstream Needs triage

jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
vnc4
Launchpad, Ubuntu, Debian
xenial Needs triage

bionic Needs triage

focal Does not exist

impish Does not exist

lunar Does not exist

trusty Needs triage

upstream Needs triage

jammy Does not exist

kinetic Does not exist

mantic Does not exist

vtk
Launchpad, Ubuntu, Debian
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

kinetic 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)
trusty Does not exist

upstream Needs triage

jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
xmlrpc-c
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)
trusty Needs triage

upstream Needs triage

jammy 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)
lunar Ignored
(bundled deps handled by upstream in new versions)
trusty Does not exist

upstream Needs triage

impish Ignored
(end of life)
bionic Ignored
(end of standard support, was needed)
xenial Ignored
(end of standard support, was needed)
mantic Ignored
(bundled deps handled by upstream in new versions)
firefox
Launchpad, Ubuntu, Debian
focal Ignored
(bundled deps handled by upstream in new versions)
impish Ignored
(end of life)
trusty Does not exist

upstream Needs triage

jammy
Released (1:1snap1-0ubuntu1)
kinetic
Released (1:1snap1-0ubuntu1)
lunar
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)
expat
Launchpad, Ubuntu, Debian
bionic
Released (2.2.5-3ubuntu0.7)
focal
Released (2.2.9-1ubuntu0.4)
impish
Released (2.4.1-2ubuntu0.3)
trusty
Released (2.1.0-4ubuntu1.4+esm6)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial
Released (2.1.0-7ubuntu0.16.04.5+esm5)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
jammy
Released (2.4.5-2)
kinetic
Released (2.4.5-2)
lunar
Released (2.4.5-2)
mantic
Released (2.4.5-2)
gdcm
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
impish 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)
kinetic 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)
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)
kinetic Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)
libxmltok
Launchpad, Ubuntu, Debian
lunar Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
hirsute Ignored
(end of life)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
mantic Not vulnerable
(code not present)
smart
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code-not-compiled)
focal Does not exist

impish Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code-not-compiled)
jammy Does not exist

kinetic Does not exist

lunar 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)
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)
kinetic Not vulnerable
(code-not-compiled)
mantic Not vulnerable
(code-not-compiled)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H