HTML::Bare versions through 0.04 for Perl have an unbounded character lookahead

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-57073
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-16 17:16:58 UTC
Updated2026-07-17 13:18:58 UTC
DescriptionHTML::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.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS: 0.004220000 probability, percentile 0.343220000 (date 2026-07-20)

Problem Types: CWE-125 | CWE-125 CWE-125 Out-of-bounds Read

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA CODECHILD HTMLBare affected 0.04 custom Not specified

References

ReferenceSourceLinkTags
www.openwall.com/lists/oss-security/2026/07/16/3 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
security.metacpan.org/patches/H/HTML-Bare/0.04/CVE-2026-57073-r2.patch 9b29abf9-4ab0-4765-b253-1875cd9b441e security.metacpan.org
github.com/nanoscopic/perl-HTML-Bare/pull/2 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com
security.metacpan.org/patches/H/HTML-Bare/0.02/CVE-2026-57073-r1.patch 9b29abf9-4ab0-4765-b253-1875cd9b441e security.metacpan.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Workarounds

CNA: Apply the patch to version 0.02 (from CPAN) or version 0.04 (from the git repository).

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