CVE-2026-6653

libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling

CVSS 7 HIGHEPSS 0.3%CWE-416 CWE-611

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.

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Produtos afetados

GNOME · libxml2

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Referências

https://bugs.launchpad.net/ubuntu/+source/libxml2/+bug/2141260 https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1058