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.
{
"cna_assigner": "CPANSec",
"cwe_ids": [
"CWE-401"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13593.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "0.14"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}