Fixed packages 9
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 8 enterprise_linux:8::appstream | libxml2-debuginfo | 0:2.9.7-21.el8_10.9 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | libxml2-debugsource | 0:2.9.7-21.el8_10.9 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | libxml2-devel | 0:2.9.7-21.el8_10.9 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | python3-libxml2-debuginfo | 0:2.9.7-21.el8_10.9 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | libxml2 | 0:2.9.7-21.el8_10.9 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | libxml2-debuginfo | 0:2.9.7-21.el8_10.9 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | libxml2-debugsource | 0:2.9.7-21.el8_10.9 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | python3-libxml2 | 0:2.9.7-21.el8_10.9 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | python3-libxml2-debuginfo | 0:2.9.7-21.el8_10.9 |
Vulnerabilities 5
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High 8.5
Libxml2: double-free/uaf in libxml2 python bindings
A flaw was found in libxml2 with Python bindings enabled. A remote attacker could exploit this vulnerability by providing a specially crafted XML document containing a Document Type Definition (DTD) with enumerated attribute values. This triggers a double-fre…
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High 8.0
In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow.
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Medium 6.9
In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow.
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Medium 6.9
In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to …
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Medium 5.6
In xinclude in libxml2 before 2.15.4, xmlXIncludeProcess and xmlXIncludeProcessTree do not propagate parseFlags. This h…
References
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article
https://access.redhat.com/security/updates/classification/#important
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2528986
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2528987
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2528989
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2528992
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2529697
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_71641.json
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report
https://access.redhat.com/security/cve/CVE-2026-74860
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-74860
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-74860
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report
https://access.redhat.com/security/cve/CVE-2026-86138
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-86138
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-86138
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article
https://github.com/GNOME/libxml2/commit/a4cba4b5b5a8c42e155ed42d2d2a44955465a2e4
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article
https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4
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report
https://access.redhat.com/security/cve/CVE-2026-86140
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-86140
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-86140
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article
https://github.com/GNOME/libxml2/commit/d1686f91dbda141a752200419d35639fd6b38340
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report
https://access.redhat.com/security/cve/CVE-2026-86143
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-86143
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-86143
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article
https://github.com/GNOME/libxml2/commit/90f293ba74d28b1d570920382e707586f68ebf35
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article
https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1111
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report
https://access.redhat.com/security/cve/CVE-2026-86144
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-86144
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-86144
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article
https://github.com/GNOME/libxml2/commit/b63cd517afecb76582dd9488c55e54ceaf50de61