Answer in brief
CVE-2026-13593 records a Medium severity (CVSS 6.5) vulnerability in CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away. The current sources do not mark it as known exploited. The current feed maps GTERMARS/CSS::Minifier::XS (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps GTERMARS/CSS::Minifier::XS (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| GTERMARS/CSS::Minifier::XSgeneric | >=0 <0.14 | 0.14 |
Published upstream
Jun 29, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 29, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-13593 records a Medium severity (CVSS 6.5) vulnerability in CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away. The current sources do not mark it as known exploited. The current feed maps GTERMARS/CSS::Minifier::XS (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps GTERMARS/CSS::Minifier::XS (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| GTERMARS/CSS::Minifier::XSgeneric | >=0 <0.14 | 0.14 |
Published upstream
Jun 29, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 29, 2026
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.
Quoted source text, attributed separately from HOL analysis.