CVE-2026-57073

EUVD-2026-44965
HTML::Bare versions through 0.04 for Perl have an unbounded character lookahead.

The parserc_parse function attempts to check for multicharacter strings such as "<![CDATA" or element terminators such as ">" without checking that the offsets are within the buffer.

Truncated strings such as "<a/" can trigger an out-of-bounds read.

Note that the latest version available on CPAN is version 0.02. Newer versions are available on the git repository.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 48.79%
Common Weakness Enumeration
References
https://github.com/nanoscopic/perl-HTML-Bare/pull/2
https://security.metacpan.org/patches/H/HTML-Bare/0.02/CVE-2026-57073-r1.patch
https://security.metacpan.org/patches/H/HTML-Bare/0.04/CVE-2026-57073-r2.patch
http://www.openwall.com/lists/oss-security/2026/07/16/3