Integer Overflow or Wraparound Affecting libxml2 package, versions <2.9.4+dfsg1-6.1ubuntu1.8
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Test your applications- Snyk ID SNYK-UBUNTU1804-LIBXML2-3086962
- published 27 Oct 2022
- disclosed 23 Nov 2022
Introduced: 27 Oct 2022
CVE-2022-40303 Open this link in a new tabHow to fix?
Upgrade Ubuntu:18.04 libxml2 to version 2.9.4+dfsg1-6.1ubuntu1.8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2022-40303
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/c846986356fc149915a74972bf198abc266bc2c0
- https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3
- https://security.netapp.com/advisory/ntap-20221209-0003/
- https://support.apple.com/kb/HT213534
- https://support.apple.com/kb/HT213535
- https://support.apple.com/kb/HT213536
- https://support.apple.com/kb/HT213531
- https://support.apple.com/kb/HT213533
- http://seclists.org/fulldisclosure/2022/Dec/26
- http://seclists.org/fulldisclosure/2022/Dec/21
- http://seclists.org/fulldisclosure/2022/Dec/25
- http://seclists.org/fulldisclosure/2022/Dec/24
- http://seclists.org/fulldisclosure/2022/Dec/27