CVE-2026-13593
CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away
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.
- Record
CVE-2026-13593- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-401
- Updated
- 2026-11-02
EUVDEUVD-2026-40180
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.
- Record
EUVD-2026-40180- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-89gv-4m9m-97p2
CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document 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.
- Record
GHSA-89gv-4m9m-97p2- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-401
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-13593- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-401
- Updated
- 2026-11-02
OSVALPINE-CVE-2026-13593
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.
- Record
ALPINE-CVE-2026-13593- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSV
CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away
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.
- Record
CVE-2026-13593- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-401
- Updated
- 2026-11-02
Show 4 moreShow less
OSVDEBIAN-CVE-2026-13593
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.
- Record
DEBIAN-CVE-2026-13593- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-13593
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.
- Record
UBUNTU-CVE-2026-13593- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSVMGASA-2026-0267 No score
Updated perl-CSS-Minifier-XS package fixes a security vulnerability
The updated package fixes a security vulnerability: CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away. (CVE-2026-13593)
- Record
MGASA-2026-0267- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:11157-1 No score
perl-CSS-Minifier-XS-0.140.0-1.1 on GA media
These are all security issues fixed in the perl-CSS-Minifier-XS-0.140.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:11157-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
perl-css-minifier-xsAlpine:v3.24 |
before 0.16-r0 | 0.16-r0 |
libcss-minifier-xs-perlDebian:12 |
All versions, plus listed versions 0.13-10.14-10.15-1 |
None known |
libcss-minifier-xs-perlDebian:13 |
All versions, plus listed versions 0.13-10.14-10.15-1 |
None known |
libcss-minifier-xs-perlDebian:14 |
before 0.14-1, plus listed versions 0.13-1 |
0.14-1 |
perl-CSS-Minifier-XSMageia:10 |
before 0.150.0-1.mga10 | 0.150.0-1.mga10 |
perl-CSS-Minifier-XSMageia:9 |
before 0.150.0-1.mga9 | 0.150.0-1.mga9 |
libcss-minifier-xs-perlUbuntu:16.04:LTS |
All versions, plus listed versions 0.09-20.09-2build1 |
None known |
libcss-minifier-xs-perlUbuntu:18.04:LTS |
All versions, plus listed versions 0.09-2build3 |
None known |
libcss-minifier-xs-perlUbuntu:20.04:LTS |
All versions, plus listed versions 0.09-2build40.09-2build5 |
None known |
libcss-minifier-xs-perlUbuntu:22.04:LTS |
All versions, plus listed versions 0.11-10.13-10.13-1build1 |
None known |
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| Package | Affected | Fixed |
|---|---|---|
libcss-minifier-xs-perlUbuntu:24.04:LTS |
All versions, plus listed versions 0.13-1build20.13-1build30.13-1build40.13-1build6 |
None known |
libcss-minifier-xs-perlUbuntu:25.10 |
All versions, plus listed versions 0.13-1build7 |
None known |
libcss-minifier-xs-perlUbuntu:26.10 |
All versions, plus listed versions 0.13-1build70.15-1build1 |
None known |
libcss-minifier-xs-perlUbuntu:26.04:LTS |
All versions, plus listed versions 0.13-1build7 |
None known |
perl-CSS-Minifier-XSopenSUSE:Tumbleweed |
before 0.140.0-1.1 | 0.140.0-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-13593 is a medium vulnerability (CVSS 6.5) in Gtermars Css::minifier::xs, published June 29, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. Fixed in perl-css-minifier-xs 0.16-r0.
References
metacpan.org/release/GTERMARS/CSS-Minifier-XS-0.14/changes
openwall.com/lists/oss-security/2026/06/29/18
nvd.nist.gov/vuln/detail/CVE-2026-13593
github.com/advisories/GHSA-89gv-4m9m-97p2
security.alpinelinux.org/vuln/CVE-2026-13593
cpan.org/modules
Show 10 moreShow less
security-tracker.debian.org/tracker/CVE-2026-13593
advisories.mageia.org/MGASA-2026-0267.html
bugs.mageia.org/show_bug.cgi?id=35781
lists.opensuse.org/archives/list/[email protected]/message/3PEXBYM5REIQMMQ2BZA2J2AXW7M4U673
ubuntu.com/security/CVE-2026-13593
cve.org/CVERecord?id=CVE-2026-13593
lists.security.metacpan.org/cve-announce/msg/41396070
suse.com/security/cve/CVE-2026-13593