Memory Leak in CSS Minifier XS for Perl
CVE-2026-13593

6.5MEDIUM

Key Information:

Vendor

Gtermars

Status
Css::minifier::xs
Vendor
CVE Published:
29 June 2026

What is CVE-2026-13593?

The CSS::Minifier::XS library for Perl, specifically versions prior to 0.14, is prone to a memory leak when executing the minify function on documents consisting solely of removable characters, such as comments and whitespace. This flaw may lead to increased memory consumption during minification processes, potentially impacting application performance and resource utilization.

Affected Version(s)

CSS::Minifier::XS 0 < 0.14

References

https://metacpan.org/release/GTERMARS/CSS-Minifier-XS-0.1...
release-notes

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.