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.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - 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. (CVE-2026-13593)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-abc468979d advisory.

    This package contains the Perl module CSS::Minifier::XS.

    Versions of the module before 0.14 have a memory leak when the entire document is minified away     (CVE-2026-13593).
    This update brings version 0.15 which fixes this issue.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-9f14575d85 advisory.

    This package contains the Perl module CSS::Minifier::XS.

    Versions of the module before 0.14 have a memory leak when the entire document is minified away     (CVE-2026-13593).
    This update brings version 0.15 which fixes this issue.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2026-13593)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
445380	Alpine: perl-css-minifier-xs: security update to 0.16-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	medium
445380	Alpine: perl-css-minifier-xs: security update to 0.16-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	medium
325900	Fedora 43 : perl-CSS-Minifier-XS (2026-abc468979d)	Nessus	Fedora Local Security Checks	Local	medium
325833	Fedora 44 : perl-CSS-Minifier-XS (2026-9f14575d85)	Nessus	Fedora Local Security Checks	Local	medium
323784	Linux Distros Unpatched Vulnerability : CVE-2026-13593	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-13593

medium

Tenable Plugins

medium

medium

medium

medium

medium