Unrated severityNVD Advisory· Published Jun 22, 2026· Updated Jun 22, 2026
libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling
CVE-2026-6653
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: >=2.9.11 <=2.11.0
Patches
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
1- bugs.launchpad.net/ubuntu/+source/libxml2/+bug/2141260mitreissue-tracking
News mentions
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