Double Free Affecting libxml2 package, versions <2.9.4+dfsg1-6.1ubuntu1.8
Threat Intelligence
EPSS
0.09% (39th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1804-LIBXML2-3086968
- published 27 Oct 2022
- disclosed 23 Nov 2022
Introduced: 27 Oct 2022
CVE-2022-40304 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. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2022-40304
- https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b
- https://gitlab.gnome.org/GNOME/libxml2/-/tags
- 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/21
- http://seclists.org/fulldisclosure/2022/Dec/25
- http://seclists.org/fulldisclosure/2022/Dec/24
- http://seclists.org/fulldisclosure/2022/Dec/26
- http://seclists.org/fulldisclosure/2022/Dec/27
CVSS Scores
version 3.1