libxml-bare-perl: XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes
CVE-2026-13401 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2026-13401, released July 19, 2026. It is not reported as exploited. Patch Radar priority: High.
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 "<a ='c'>" or unbalanced quotes "<a b='''''''c'>" can trigger this condition.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libxml-bare-perl · Debian 14 | 0.53-5 | DEBIAN-CVE-2026-13401 | Jul 19, 2026 |
| perl-XML-Bare · Fedora 43 | 0.53-44.fc43 | FEDORA-2026-14E358A2A2 | Aug 30, 2026 |
| perl-XML-Bare · opensuse-leap 16.0 | 0.53-bp160.2.1 | OPENSUSE-SU-2026:21435-1 | Jul 22, 2026 |
| perl-XML-Bare · sles 15.7 | 0.53-150000.3.3.1 | SUSE-SU-2026:3403-1 | Jul 29, 2026 |
| perl-XML-Bare-debuginfo · Fedora 43 | 0.53-44.fc43 | FEDORA-2026-14E358A2A2 | Aug 30, 2026 |
| perl-XML-Bare-debugsource · Fedora 43 | 0.53-44.fc43 | FEDORA-2026-14E358A2A2 | Aug 30, 2026 |
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