CVE-2018-20843
CVE-2018-20843
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
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).
CVSS 7.5 · High · EPSS 7.1% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
expat Debian:12
- Affected ranges
- ECOSYSTEM: < 2.2.6-2
Update to 2.2.6-2
expat Debian:13
- Affected ranges
- ECOSYSTEM: < 2.2.6-2
Update to 2.2.6-2
expat Debian:14
- Affected ranges
- ECOSYSTEM: < 2.2.6-2
Update to 2.2.6-2
libxmltok Debian:12
- Versions
- 1.2-4
- 1.2-4.1
- 1.2-4.1~exp1
- 1.2-4.2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
expat Ubuntu:Pro:14.04:LTS
- Versions
- 2.1.0-4
- 2.1.0-4ubuntu1
- 2.1.0-4ubuntu1.1
- 2.1.0-4ubuntu1.2
- 2.1.0-4ubuntu1.3
- 2.1.0-4ubuntu1.4
- Affected ranges
- ECOSYSTEM: < 2.1.0-4ubuntu1.4+esm1
Update to 2.1.0-4ubuntu1.4+esm1
vtk Ubuntu:Pro:14.04:LTS
- Versions
- 5.8.0-14ubuntu1
- 5.8.0-14ubuntu3
- 5.8.0-14.1ubuntu2
- 5.8.0-14.1ubuntu3
- Affected ranges
- ECOSYSTEM: < 5.8.0-14.1ubuntu3+esm1
Update to 5.8.0-14.1ubuntu3+esm1
coin3 Ubuntu:Pro:14.04:LTS
- Versions
- 3.1.4~abc9f50-3
- 3.1.4~abc9f50-4
- 3.1.4~abc9f50-4ubuntu2
- 3.1.4~abc9f50-4ubuntu2+esm1
- 3.1.4~abc9f50-4ubuntu2+esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
vnc4 Ubuntu:Pro:14.04:LTS
- Versions
- 4.1.1+xorg4.3.0-37ubuntu5
- 4.1.1+xorg4.3.0-37ubuntu5.0.1
- 4.1.1+xorg4.3.0-37ubuntu5.0.2
- 4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
xmlrpc-c Ubuntu:Pro:14.04:LTS
- Versions
- 1.16.33-3.2ubuntu3
- 1.33.06-0ubuntu1
- 1.33.06-0ubuntu1+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
expat Ubuntu:16.04:LTS
- Versions
- 2.1.0-7
- 2.1.0-7ubuntu0.16.04.1
- 2.1.0-7ubuntu0.16.04.2
- 2.1.0-7ubuntu0.16.04.3
- Affected ranges
- ECOSYSTEM: < 2.1.0-7ubuntu0.16.04.4
Update to 2.1.0-7ubuntu0.16.04.4
libxmltok Ubuntu:Pro:16.04:LTS
- Versions
- 1.2-3build3
- 1.2-3ubuntu0.16.04.1~esm1
- Affected ranges
- ECOSYSTEM: < 1.2-3ubuntu0.16.04.1~esm2
Update to 1.2-3ubuntu0.16.04.1~esm2
vtk Ubuntu:Pro:16.04:LTS
- Versions
- 5.10.1+dfsg-2
- 5.10.1+dfsg-2build3
- 5.10.1+dfsg-2.1build1
- Affected ranges
- ECOSYSTEM: < 5.10.1+dfsg-2.1ubuntu0.1~esm1
Update to 5.10.1+dfsg-2.1ubuntu0.1~esm1
ayttm Ubuntu:Pro:16.04:LTS
- Versions
- 0.6.3-3build1
- 0.6.3-3ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
cableswig Ubuntu:Pro:16.04:LTS
- Versions
- 0.1.0+git20150808-1
- 0.1.0+git20150808-2
- 0.1.0+git20150808-2ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
cadaver Ubuntu:16.04:LTS
- Versions
- 0.23.3-2ubuntu2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
coin3 Ubuntu:Pro:16.04:LTS
- Versions
- 3.1.4~abc9f50+dfsg1-1
- 3.1.4~abc9f50+dfsg1-1ubuntu0.1~esm1
- 3.1.4~abc9f50+dfsg1-1ubuntu0.1~esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
insighttoolkit Ubuntu:Pro:16.04:LTS
- Versions
- 3.20.1+git20120521-6
- 3.20.1+git20120521-6build1
- 3.20.1+git20120521-6ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
insighttoolkit4 Ubuntu:16.04:LTS
- Versions
- 4.8.1-1ubuntu3
- 4.8.1-1ubuntu4
- 4.8.2-3.1ubuntu1
- 4.9.0-3ubuntu2
- 4.9.0-4ubuntu1
- 4.9.0-4ubuntu1.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
matanza Ubuntu:16.04:LTS
- Versions
- 0.13+ds1-5
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
swish-e Ubuntu:Pro:16.04:LTS
- Versions
- 2.4.7-4
- 2.4.7-4build1
- 2.4.7-4ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
vnc4 Ubuntu:Pro:16.04:LTS
- Versions
- 4.1.1+xorg4.3.0-37.3ubuntu2
- 4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
xmlrpc-c Ubuntu:Pro:16.04:LTS
- Versions
- 1.33.14-0.2ubuntu3
- 1.33.14-1ubuntu1
- 1.33.14-1ubuntu1+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
expat Ubuntu:18.04:LTS
- Versions
- 2.2.3-1
- 2.2.3-2
- 2.2.5-0ubuntu2
- 2.2.5-3
- Affected ranges
- ECOSYSTEM: < 2.2.5-3ubuntu0.1
Update to 2.2.5-3ubuntu0.1
Original sources
- https://usn.ubuntu.com/4040-1/
- https://usn.ubuntu.com/4040-2/
- https://www.debian.org/security/2019/dsa-4472
- https://seclists.org/bugtraq/2019/Jun/39
- https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html
- https://security.gentoo.org/glsa/201911-08
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://github.com/libexpat/libexpat/issues/186
- https://github.com/libexpat/libexpat/pull/262
- https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6
- https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226
- https://security.netapp.com/advisory/ntap-20190703-0001/
- https://support.f5.com/csp/article/K51011533
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.tenable.com/security/tns-2021-11
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://nvd.nist.gov/vuln/detail/CVE-2018-20843