CVE-2026-13593
Received Received - Intake

Memory Leak in CSS::Minifier::XS Perl Module

Publication date: 2026-06-29

Last updated on: 2026-06-29

Assigner: CPANSec

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.

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Meta Information

Published
2026-06-29
Last Modified
2026-06-29
Generated
2026-06-30
AI Q&A
2026-06-29
EPSS Evaluated
N/A
NVD
CVE-2026-13593

Affected Vendors & Products

Currently, no data is known.

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-401 The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

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Executive Summary

This vulnerability exists in CSS::Minifier::XS versions before 0.14 for Perl. It is a memory leak that occurs when the minify function processes a document that is entirely minified away, meaning the document contains only characters that are removed during minification, such as comments and whitespace.

Impact Analysis

The memory leak caused by this vulnerability can lead to increased memory usage when minifying certain CSS documents. Over time or with repeated processing of such documents, this could degrade system performance or cause resource exhaustion.

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