CVE-2026-57073: CWE-125 Out-of-bounds Read in CODECHILD HTML::Bare
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.
AI Analysis
Technical Summary
CVE-2026-57073 describes an out-of-bounds read vulnerability (CWE-125) in the HTML::Bare Perl module versions up to 0.04. The vulnerability arises because the parserc_parse function performs lookahead checks for specific strings such as "<![CDATA" or ">" without validating that the offsets accessed are within the input buffer. This can lead to reading beyond the buffer boundary when parsing truncated input strings, potentially causing memory access errors or crashes. The vulnerability affects versions up to and including 0.04. Although the latest CPAN release is 0.02, newer versions are available in the git repository, but no official patch or remediation guidance is provided yet.
Potential Impact
The vulnerability allows out-of-bounds reads when parsing malformed or truncated HTML input, which can lead to application crashes or undefined behavior. No known exploits are reported in the wild. The impact is limited to the affected versions of the HTML::Bare Perl module and depends on how the module is used in applications.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory or git repository for current remediation guidance. Users should consider upgrading to versions newer than 0.04 if available and verified to fix the issue. Until a fix is confirmed, avoid processing untrusted or malformed input with affected versions of HTML::Bare.
CVE-2026-57073: CWE-125 Out-of-bounds Read in CODECHILD HTML::Bare
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.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-57073 describes an out-of-bounds read vulnerability (CWE-125) in the HTML::Bare Perl module versions up to 0.04. The vulnerability arises because the parserc_parse function performs lookahead checks for specific strings such as "<![CDATA" or ">" without validating that the offsets accessed are within the input buffer. This can lead to reading beyond the buffer boundary when parsing truncated input strings, potentially causing memory access errors or crashes. The vulnerability affects versions up to and including 0.04. Although the latest CPAN release is 0.02, newer versions are available in the git repository, but no official patch or remediation guidance is provided yet.
Potential Impact
The vulnerability allows out-of-bounds reads when parsing malformed or truncated HTML input, which can lead to application crashes or undefined behavior. No known exploits are reported in the wild. The impact is limited to the affected versions of the HTML::Bare Perl module and depends on how the module is used in applications.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory or git repository for current remediation guidance. Users should consider upgrading to versions newer than 0.04 if available and verified to fix the issue. Until a fix is confirmed, avoid processing untrusted or malformed input with affected versions of HTML::Bare.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CPANSec
- Date Reserved
- 2026-06-23T17:59:40.467Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5907ce68715ace4356ca88
Added to database: 07/16/2026, 16:33:18 UTC
Last enriched: 07/16/2026, 16:48:29 UTC
Last updated: 07/17/2026, 03:42:32 UTC
Views: 11
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