CVE-2026-13593

CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away

Published Jun 29, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade to CSS::Minifier::XS version 0.14 or later.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Gtermars
Gtermars css::minifier::xs
Vendors & Products Gtermars
Gtermars css::minifier::xs
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away
Weaknesses CWE-401
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
CPANSec
Published
Updated
Jun 29, 2026, 10:24 PM
Reserved
Jun 29, 2026, 6:55 AM
Status
Deferred
Published
Jun 29, 2026, 8:17 PM
Modified
Oct 25, 2026, 9:10 PM