CVE-2022-43680
Published: 24 October 2022
In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
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!) |
mdeslaur | apache2 uses system expat apr-util uses system expat cmake uses system expat ghostscript uses system expat |
Priority
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)
|
|
kinetic |
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)
|
|
kinetic |
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
|
|
trusty |
Ignored
(out 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
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
cadaver Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
Needs triage
|
|
trusty |
Ignored
(out 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)
|
|
kinetic |
Not vulnerable
(uses system expat)
|
|
trusty |
Ignored
(out 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)
|
|
kinetic |
Not vulnerable
(uses system expat)
|
|
trusty |
Needs triage
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
expat Launchpad, Ubuntu, Debian |
bionic |
Released
(2.2.5-3ubuntu0.8)
|
focal |
Released
(2.2.9-1ubuntu0.6)
|
|
jammy |
Released
(2.4.7-1ubuntu0.2)
|
|
kinetic |
Released
(2.4.8-2ubuntu0.22.10.1)
|
|
trusty |
Released
(2.1.0-4ubuntu1.4+esm7)
|
|
upstream |
Needs triage
|
|
xenial |
Released
(2.1.0-7ubuntu0.16.04.5+esm7)
|
|
Patches: upstream: https://github.com/libexpat/libexpat/commit/56967f83d68d5fc750f9e66a9a76756c94c7c173 |
||
firefox Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
Needs triage
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
gdcm Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(uses system expat)
|
focal |
Not vulnerable
(uses system expat)
|
|
jammy |
Not vulnerable
(uses system expat)
|
|
kinetic |
Not vulnerable
(uses system expat)
|
|
trusty |
Not vulnerable
(uses system expat)
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(uses system expat)
|
|
ghostscript Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(uses system expat)
|
focal |
Not vulnerable
(uses system expat)
|
|
jammy |
Not vulnerable
(uses system expat)
|
|
kinetic |
Not vulnerable
(uses system expat)
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(uses system expat)
|
|
insighttoolkit Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
jammy |
Does not exist
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
insighttoolkit4 Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
Needs triage
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
libxmltok Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
Needs triage
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
matanza Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
Needs triage
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
smart Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code-not-compiled)
|
focal |
Does not exist
|
|
jammy |
Does not exist
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(code-not-compiled)
|
|
swish-e Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
Needs triage
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
tdom Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
Needs triage
|
|
trusty |
Ignored
(out 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)
|
|
kinetic |
Not vulnerable
(code-not-compiled)
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(code-not-compiled)
|
|
thunderbird Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
Needs triage
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
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
|
|
wbxml2 Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
Needs triage
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
xmlrpc-c Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
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
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-43680
- https://github.com/libexpat/libexpat/issues/649
- https://github.com/libexpat/libexpat/pull/616
- https://github.com/libexpat/libexpat/pull/650
- https://ubuntu.com/security/notices/USN-5638-3
- https://ubuntu.com/security/notices/USN-5638-2
- https://ubuntu.com/security/notices/USN-5638-4
- NVD
- Launchpad
- Debian