USN-8587-1: HTML-Parser vulnerability

Publication date

22 July 2026

Overview

HTML-Parser could be made to expose sensitive information.


Packages

Details

It was discovered that HTML-Parser incorrectly handled entity references
when the input string was identical to an entity value in the lookup table.
An attacker could possibly use this issue to obtain sensitive information.

It was discovered that HTML-Parser incorrectly handled entity references
when the input string was identical to an entity value in the lookup table.
An attacker could possibly use this issue to obtain sensitive information.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
26.04 LTS resolute libhtml-parser-perl –  3.83-1ubuntu0.1
24.04 LTS noble libhtml-parser-perl –  3.81-1ubuntu0.1
22.04 LTS jammy libhtml-parser-perl –  3.76-1ubuntu0.1

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