Summary
The libxml2 library is a development toolbox providing the implementation of various XML standards.
Security Fix(es):
* libxml2: mingw-libxml2: libxml2: Denial of Service via crafted XML input due to use-after-free (CVE-2026-6653)
Bug Fix(es) and Enhancement(s):
* libxml2: CVE-2025-9714 fix (AlmaLinux-119279) backported wrong upstream commit ? dyn:map recursion still crashes (JIRA:AlmaLinux-249282)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | libxml2 | 2.9.7-21.el8_10.8 |
| AlmaLinux · 8 | libxml2-devel | 2.9.7-21.el8_10.8 |
| AlmaLinux · 8 | python3-libxml2 | 2.9.7-21.el8_10.8 |
Vulnerabilities 2
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High 7.0
libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling
Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling.
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Medium 6.2
Stack overflow in libxml2
Uncontrolled recursion in XPath evaluation in libxml2 up to and including version 2.9.14 allows a local attacker to cause a stack overflow via crafted expressions. XPath processing functions `xmlXPathRunEval`, `xmlXPathCtxtCompile`, and `xmlXPathEvalExpr` wer…