CVE-2026-13593

Medium

Description

CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away. The minify function has a memory leak when processing a document containing only characters to be removed, such as comments and whitespace.

SeverityMedium
CVSS6.5
Exploit probability—
ProductCSS::Minifier::XS
PublishedJun 29, 2026
First seenJun 29, 2026
Weakness typeCWE-401CWE-401

How to fix

Update
  • GTERMARS CSS::Minifier::XS0.14 or later

Affected products

ProductAffected versionsFixed in
GTERMARS CSS::Minifier::XSv < 0.140.14

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