Memory leak in GTERMARS CSS::Minifier::XS
Priority LOW 35CWE-401Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-401.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00292 21st percentileScored 2026-11-07
Fix Fixed CSS::Minifier::XS (GTERMARS): 0.14
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA CSS::Minifier::XS (GTERMARS) Fixed in 0.14
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-13593
- 2026-10-03 Alias added: GHSA-89gv-4m9m-97p2
References
More GTERMARS vulnerabilities
- TI-2026-40413 Uncontrolled resource consumption in GTERMARS JavaScript::Minifier::XS CVSS 3.1HIGH 7.5
- TI-2026-40412 Out-of-bounds read in GTERMARS JavaScript::Minifier::XS CVSS 3.1HIGH 7.5
Sources
- CVE-2026-13593 · CVE Program
- CVE-2026-13593 · NVD
- FIRST EPSS
- GHSA-89gv-4m9m-97p2 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-13593 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences