CVE-2026-13593

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

MEDIUM
6.5
CVSS Score
Published: June 29, 2026 at 07:37 PM UTC
Updated: October 25, 2026 at 09:10 PM UTC
1 product affected across 1 vendorCSS::Minifier::XS

Using CSS::Minifier::XS by GTERMARS?

Get instant alerts when new vulnerabilities affect CSS::Minifier::XS - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.14
Affected range stops below 0.14, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-401

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card