Double Free Affecting python3-libxml2 package, versions <0:2.9.7-15.el8_7.1
Threat Intelligence
EPSS
0.09% (39th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-PYTHON3LIBXML2-4376647
- published 20 Oct 2022
- disclosed 14 Oct 2022
Introduced: 14 Oct 2022
CVE-2022-40304 Open this link in a new tabHow to fix?
Upgrade RHEL:8 python3-libxml2 to version 0:2.9.7-15.el8_7.1 or higher.
This issue was patched in RHSA-2023:0173.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python3-libxml2 package and not the python3-libxml2 package as distributed by RHEL.
See How to fix? for RHEL:8 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
- https://access.redhat.com/security/cve/CVE-2022-40304
- https://access.redhat.com/errata/RHSA-2023:0173
- 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