Vulnary
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Critical· 9.1official fix available

CVE-2026-57073

HTML::Bare is a Perl module that parses HTML. Versions up to 0.04 contain a bug that lets attackers read memory beyond the input buffer. This can lead to information disclosure or denial of service.

publishedJul 16, 2026
last modifiedJul 17, 2026
sourcesNVD
severity · cvss
9.1
critical · how bad it is
exploitation · epss
<1%
35th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 18, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

Perl developers using the HTML::Bare module, especially those using versions 0.04 or earlier, are affected. The module is commonly used in web applications that parse user-supplied HTML.

02

Real-world impact

An attacker could supply specially crafted HTML that causes the parser to read beyond the buffer, potentially exposing sensitive data or crashing the application.

03

Why this severity

The CVSS score of 9.1 reflects that the vulnerability is exploitable over the network, requires no user interaction, and can lead to complete compromise of confidentiality and availability.

04

What to do about it

official fix available
recommended steps
  1. 011. Obtain the latest version of HTML::Bare from the project's git repository.
  2. 022. Install the new version (e.g., using cpanm or CPAN).
  3. 033. Restart any services that use the module.

NVD description indicates newer versions on git repository.

05

Timeline

  1. Jul 16, 2026 · 17d ago
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 19, 2026 · 15d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactNone
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →