CVE-2026-13401: XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes. The parserc_p

XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes.

The parserc_parse function never advances the attribute-parse state cursor on certain malformed attribute forms, looping forever.

Nameless attributes such as "" or unbalanced quotes "" can trigger this condition.