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CVE-2026-57073— HTML::Bare versions through 0.04 for Perl have an unbounded character lookahead

Quick assessment

Affected
CODECHILD HTML::Bare
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CODECHILD HTML::Bare是CODECHILD组织的一款处理HTML内容的Perl模块 HTML::Bare 0.04及之前版本存在缓冲区错误漏洞，该漏洞源于parserc_parse函数在检查多字符字符串或元素终止符时未验证偏移量是否在缓冲区范围内，截断的字符串可能触发越界读取。

AI Predicted 7.5 Difficulty: Easy EPSS 0.65% · P50

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
CODECHILD HTML::Bare ≤ 0.04 affected
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I. Basic Information for CVE-2026-57073

Vulnerability Information
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Vulnerability Title
HTML::Bare versions through 0.04 for Perl have an unbounded character lookahead
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
CODECHILD HTML::Bare 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CODECHILD HTML::Bare是CODECHILD组织的一款处理HTML内容的Perl模块 HTML::Bare 0.04及之前版本存在缓冲区错误漏洞，该漏洞源于parserc_parse函数在检查多字符字符串或元素终止符时未验证偏移量是否在缓冲区范围内，截断的字符串可能触发越界读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
CODECHILD HTML::Bare 0 ~ 0.04 -

II. Public POCs for CVE-2026-57073

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III. Intelligence Information for CVE-2026-57073

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Patches & Fixes for CVE-2026-57073 (1)

Other References for CVE-2026-57073 (2)

Same Patch Batch · CODECHILD · 2026-07-16 · 4 CVEs total

CVE-2026-57074 XML::Bare versions through 0.53 for Perl have an unbounded character lookahead
CVE-2026-13401 XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malfor
CVE-2026-13397 HTML::Bare versions through 0.04 for Perl will hang in an infinite loop when parsing malfo

IV. Related Vulnerabilities

Same product: HTML::Bare
Same vendor: CODECHILD
Same weakness: CWE-125

V. Comments for CVE-2026-57073

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