CVE-2026-57073

Critical

Description

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.

SeverityCritical

CVSS9.1

Exploit probability—

ProductHTML::Bare

PublishedJul 16, 2026

First seenJul 16, 2026

Weakness typeCWE-125Out-of-bounds read

How to fix

Patches

security.metacpan.org/patches/H/HTML-Bare/0.02/CVE-2026-57073-r1.patch
security.metacpan.org/patches/H/HTML-Bare/0.04/CVE-2026-57073-r2.patch

Affected products

Product	Affected versions	Fixed in
CODECHILD HTML::Bare	v ≤ 0.04	—

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