CVE-2026-13593CWE-401

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

Medium · published June 29, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
20.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00292 · 20.6th percentile
Weakness
CWE-401 · Missing Release of Memory after Effective Lifetime
Published
2026-06-29T19:37Z
EPSS history
Timeline
  • 29 JUN 19:37Z
    CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away
    cvelistv5