An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c.
gitlab.gnome.org/GNOME/libxml2/-/issues/720
gitlab.gnome.org/GNOME/libxml2/-/releases/v2.11.8
gitlab.gnome.org/GNOME/libxml2/-/releases/v2.12.7
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