CVE-2018-20843
Published: 24 June 2019
In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).
Notes
| Author | Note |
|---|---|
| mdeslaur | xmlparse.c doesn't appear to be built in the firefox package |
Priority
Low
CVSS 3 base score: 7.5
Status
| Package | Release | Status |
|---|---|---|
|
apache2 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code-not-compiled)
|
| cosmic |
Not vulnerable
(code-not-compiled)
|
|
| disco |
Not vulnerable
(code-not-compiled)
|
|
| eoan |
Not vulnerable
(code-not-compiled)
|
|
| focal |
Not vulnerable
(code-not-compiled)
|
|
| groovy |
Not vulnerable
(code-not-compiled)
|
|
| hirsute |
Not vulnerable
(code-not-compiled)
|
|
| impish |
Not vulnerable
(code-not-compiled)
|
|
| jammy |
Not vulnerable
(code-not-compiled)
|
|
| precise |
Not vulnerable
(code-not-compiled)
|
|
| trusty |
Not vulnerable
(code-not-compiled)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code-not-compiled)
|
|
|
apr-util Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code-not-compiled)
|
| cosmic |
Not vulnerable
(code-not-compiled)
|
|
| disco |
Not vulnerable
(code-not-compiled)
|
|
| eoan |
Not vulnerable
(code-not-compiled)
|
|
| focal |
Not vulnerable
(code-not-compiled)
|
|
| groovy |
Not vulnerable
(code-not-compiled)
|
|
| hirsute |
Not vulnerable
(code-not-compiled)
|
|
| impish |
Not vulnerable
(code-not-compiled)
|
|
| jammy |
Not vulnerable
(code-not-compiled)
|
|
| precise |
Not vulnerable
(code-not-compiled)
|
|
| trusty |
Not vulnerable
(code-not-compiled)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code-not-compiled)
|
|
|
audacity Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(uses system expat)
|
| cosmic |
Not vulnerable
(uses system expat)
|
|
| disco |
Not vulnerable
(uses system expat)
|
|
| eoan |
Not vulnerable
(uses system expat)
|
|
| focal |
Not vulnerable
(uses system expat)
|
|
| groovy |
Not vulnerable
(uses system expat)
|
|
| hirsute |
Not vulnerable
(uses system expat)
|
|
| impish |
Not vulnerable
(uses system expat)
|
|
| jammy |
Not vulnerable
(uses system expat)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(uses system expat)
|
|
|
ayttm Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
|
|
cableswig Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
|
|
cadaver Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Ignored
(reached end-of-life)
|
|
| eoan |
Ignored
(reached end-of-life)
|
|
| focal |
Needs triage
|
|
| groovy |
Ignored
(reached end-of-life)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Ignored
(reached end-of-life)
|
|
| jammy |
Needs triage
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
|
|
cmake Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code-not-compiled)
|
| cosmic |
Not vulnerable
(code-not-compiled)
|
|
| disco |
Not vulnerable
(code-not-compiled)
|
|
| eoan |
Not vulnerable
(code-not-compiled)
|
|
| focal |
Not vulnerable
(code-not-compiled)
|
|
| groovy |
Not vulnerable
(code-not-compiled)
|
|
| hirsute |
Not vulnerable
(code-not-compiled)
|
|
| impish |
Not vulnerable
(code-not-compiled)
|
|
| jammy |
Not vulnerable
(code-not-compiled)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code-not-compiled)
|
|
|
coin3 Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Ignored
(reached end-of-life)
|
|
| eoan |
Ignored
(reached end-of-life)
|
|
| focal |
Not vulnerable
(uses system expat)
|
|
| groovy |
Ignored
(reached end-of-life)
|
|
| hirsute |
Not vulnerable
(uses system expat)
|
|
| impish |
Not vulnerable
(uses system expat)
|
|
| jammy |
Not vulnerable
(uses system expat)
|
|
| precise |
Does not exist
|
|
| trusty |
Needed
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needed)
|
|
|
expat Launchpad, Ubuntu, Debian |
bionic |
Released
(2.2.5-3ubuntu0.1)
|
| cosmic |
Released
(2.2.6-1ubuntu0.18.10)
|
|
| disco |
Released
(2.2.6-1ubuntu0.19.04)
|
|
| eoan |
Released
(2.2.6-2)
|
|
| focal |
Released
(2.2.6-2)
|
|
| groovy |
Released
(2.2.6-2)
|
|
| hirsute |
Released
(2.2.6-2)
|
|
| impish |
Released
(2.2.6-2)
|
|
| jammy |
Released
(2.2.6-2)
|
|
| precise |
Released
(2.0.1-7.2ubuntu1.6)
|
|
| trusty |
Released
(2.1.0-4ubuntu1.4+esm1)
|
|
| upstream |
Released
(2.2.6-2)
|
|
| xenial |
Released
(2.1.0-7ubuntu0.16.04.4)
|
|
|
Patches: upstream: https://github.com/libexpat/libexpat/commit/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6 |
||
|
firefox Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Ignored
(reached end-of-life)
|
|
| eoan |
Not vulnerable
|
|
| focal |
Not vulnerable
|
|
| groovy |
Not vulnerable
|
|
| hirsute |
Not vulnerable
|
|
| impish |
Not vulnerable
|
|
| jammy |
Not vulnerable
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
|
|
|
gdcm Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(uses system expat)
|
| cosmic |
Not vulnerable
(uses system expat)
|
|
| disco |
Not vulnerable
(uses system expat)
|
|
| eoan |
Not vulnerable
(uses system expat)
|
|
| focal |
Not vulnerable
(uses system expat)
|
|
| groovy |
Not vulnerable
(uses system expat)
|
|
| hirsute |
Not vulnerable
(uses system expat)
|
|
| impish |
Not vulnerable
(uses system expat)
|
|
| jammy |
Not vulnerable
(uses system expat)
|
|
| precise |
Does not exist
|
|
| trusty |
Not vulnerable
(uses system expat)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(uses system expat)
|
|
|
ghostscript Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code-not-compiled)
|
| cosmic |
Not vulnerable
(code-not-compiled)
|
|
| disco |
Not vulnerable
(code-not-compiled)
|
|
| eoan |
Not vulnerable
(code-not-compiled)
|
|
| focal |
Not vulnerable
(code-not-compiled)
|
|
| groovy |
Not vulnerable
(code-not-compiled)
|
|
| hirsute |
Not vulnerable
(code-not-compiled)
|
|
| impish |
Not vulnerable
(code-not-compiled)
|
|
| jammy |
Not vulnerable
(code-not-compiled)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code-not-compiled)
|
|
|
insighttoolkit Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
|
|
insighttoolkit4 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(uses system expat)
|
| cosmic |
Not vulnerable
(uses system expat)
|
|
| disco |
Not vulnerable
(uses system expat)
|
|
| eoan |
Not vulnerable
(uses system expat)
|
|
| focal |
Not vulnerable
(uses system expat)
|
|
| groovy |
Not vulnerable
(uses system expat)
|
|
| hirsute |
Not vulnerable
(uses system expat)
|
|
| impish |
Not vulnerable
(uses system expat)
|
|
| jammy |
Not vulnerable
(uses system expat)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needed)
|
|
|
kompozer Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
libparagui1.1 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
libxmltok Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| focal |
Needed
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Ignored
(reached end-of-life)
|
|
| jammy |
Needed
|
|
| trusty |
Ignored
(out of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(out of standard support)
|
|
|
matanza Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Ignored
(reached end-of-life)
|
|
| eoan |
Ignored
(reached end-of-life)
|
|
| focal |
Needs triage
|
|
| groovy |
Ignored
(reached end-of-life)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Ignored
(reached end-of-life)
|
|
| jammy |
Needs triage
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
|
|
poco Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(uses system expat)
|
| cosmic |
Not vulnerable
(uses system expat)
|
|
| disco |
Not vulnerable
(uses system expat)
|
|
| eoan |
Not vulnerable
(uses system expat)
|
|
| focal |
Not vulnerable
(uses system expat)
|
|
| groovy |
Not vulnerable
(uses system expat)
|
|
| hirsute |
Not vulnerable
(uses system expat)
|
|
| impish |
Not vulnerable
(uses system expat)
|
|
| jammy |
Not vulnerable
(uses system expat)
|
|
| precise |
Does not exist
|
|
| trusty |
Not vulnerable
(uses system expat)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(uses system expat)
|
|
|
simgear Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(uses system expat)
|
| cosmic |
Not vulnerable
(uses system expat)
|
|
| disco |
Not vulnerable
(uses system expat)
|
|
| eoan |
Not vulnerable
(uses system expat)
|
|
| focal |
Not vulnerable
(uses system expat)
|
|
| groovy |
Not vulnerable
(uses system expat)
|
|
| hirsute |
Not vulnerable
(uses system expat)
|
|
| impish |
Not vulnerable
(uses system expat)
|
|
| jammy |
Not vulnerable
(uses system expat)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(uses system expat)
|
|
|
sitecopy Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(uses system expat)
|
| cosmic |
Not vulnerable
(uses system expat)
|
|
| disco |
Not vulnerable
(uses system expat)
|
|
| eoan |
Not vulnerable
(uses system expat)
|
|
| focal |
Not vulnerable
(uses system expat)
|
|
| groovy |
Not vulnerable
(uses system expat)
|
|
| hirsute |
Not vulnerable
(uses system expat)
|
|
| impish |
Not vulnerable
(uses system expat)
|
|
| jammy |
Not vulnerable
(uses system expat)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Not vulnerable
(uses system expat)
|
|
| xenial |
Not vulnerable
(uses system expat)
|
|
|
smart Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code-not-compiled)
|
| cosmic |
Not vulnerable
(code-not-compiled)
|
|
| disco |
Not vulnerable
(code-not-compiled)
|
|
| eoan |
Not vulnerable
(code-not-compiled)
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code-not-compiled)
|
|
|
swish-e Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Ignored
(reached end-of-life)
|
|
| eoan |
Ignored
(reached end-of-life)
|
|
| focal |
Needs triage
|
|
| groovy |
Ignored
(reached end-of-life)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Ignored
(reached end-of-life)
|
|
| jammy |
Needs triage
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
|
|
tdom Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(uses system expat)
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Not vulnerable
(uses system expat)
|
|
| eoan |
Not vulnerable
(uses system expat)
|
|
| focal |
Not vulnerable
(uses system expat)
|
|
| groovy |
Not vulnerable
(uses system expat)
|
|
| hirsute |
Not vulnerable
(uses system expat)
|
|
| impish |
Not vulnerable
(uses system expat)
|
|
| jammy |
Not vulnerable
(uses system expat)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(uses system expat)
|
|
|
texlive-bin Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code-not-compiled)
|
| cosmic |
Not vulnerable
(code-not-compiled)
|
|
| disco |
Not vulnerable
(code-not-compiled)
|
|
| eoan |
Not vulnerable
(code-not-compiled)
|
|
| focal |
Not vulnerable
(code-not-compiled)
|
|
| groovy |
Not vulnerable
(code-not-compiled)
|
|
| hirsute |
Not vulnerable
(code-not-compiled)
|
|
| impish |
Not vulnerable
(code-not-compiled)
|
|
| jammy |
Not vulnerable
(code-not-compiled)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code-not-compiled)
|
|
|
thunderbird Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Ignored
(reached end-of-life)
|
|
| eoan |
Not vulnerable
|
|
| focal |
Not vulnerable
|
|
| groovy |
Not vulnerable
|
|
| hirsute |
Not vulnerable
|
|
| impish |
Not vulnerable
|
|
| jammy |
Not vulnerable
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
|
|
|
vnc4 Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Not vulnerable
(code not present)
|
|
| eoan |
Not vulnerable
(code not present)
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Needed
|
|
| upstream |
Needed
|
|
| xenial |
Ignored
(end of standard support, was needed)
|
|
|
vtk Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needed)
|
|
|
wbxml2 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(uses system expat)
|
| cosmic |
Not vulnerable
(uses system expat)
|
|
| disco |
Not vulnerable
(uses system expat)
|
|
| eoan |
Not vulnerable
(uses system expat)
|
|
| focal |
Not vulnerable
(uses system expat)
|
|
| groovy |
Not vulnerable
(uses system expat)
|
|
| hirsute |
Not vulnerable
(uses system expat)
|
|
| impish |
Not vulnerable
(uses system expat)
|
|
| jammy |
Not vulnerable
(uses system expat)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Not vulnerable
(uses system expat)
|
|
| xenial |
Not vulnerable
(uses system expat)
|
|
|
wxwidgets2.6 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
wxwidgets2.8 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
xmlrpc-c Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Ignored
(reached end-of-life)
|
|
| eoan |
Ignored
(reached end-of-life)
|
|
| focal |
Needs triage
|
|
| groovy |
Ignored
(reached end-of-life)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Ignored
(reached end-of-life)
|
|
| jammy |
Needs triage
|
|
| precise |
Does not exist
|
|
| trusty |
Needs triage
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
|
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20843
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226
- https://github.com/libexpat/libexpat/pull/262
- https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes
- https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6
- https://ubuntu.com/security/notices/USN-4040-1
- https://ubuntu.com/security/notices/USN-4040-2
- NVD
- Launchpad
- Debian