ubuntu-cve-2026-13593
Vulnerability from osv_ubuntu
Published
2026-06-29 20:17
Modified
2026-07-01 21:19
Summary
Details
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.
Severity
6.5 (Medium)
N/A (UNKNOWN)
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcss-minifier-xs-perl",
"binary_version": "0.09-2build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "libcss-minifier-xs-perl",
"purl": "pkg:deb/ubuntu/libcss-minifier-xs-perl@0.09-2build1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.09-2",
"0.09-2build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcss-minifier-xs-perl",
"binary_version": "0.09-2build3"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "libcss-minifier-xs-perl",
"purl": "pkg:deb/ubuntu/libcss-minifier-xs-perl@0.09-2build3?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.09-2build3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcss-minifier-xs-perl",
"binary_version": "0.09-2build5"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "libcss-minifier-xs-perl",
"purl": "pkg:deb/ubuntu/libcss-minifier-xs-perl@0.09-2build5?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.09-2build4",
"0.09-2build5"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcss-minifier-xs-perl",
"binary_version": "0.13-1build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "libcss-minifier-xs-perl",
"purl": "pkg:deb/ubuntu/libcss-minifier-xs-perl@0.13-1build1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.11-1",
"0.13-1",
"0.13-1build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcss-minifier-xs-perl",
"binary_version": "0.13-1build6"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "libcss-minifier-xs-perl",
"purl": "pkg:deb/ubuntu/libcss-minifier-xs-perl@0.13-1build6?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.13-1build2",
"0.13-1build3",
"0.13-1build4",
"0.13-1build6"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcss-minifier-xs-perl",
"binary_version": "0.13-1build7"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "libcss-minifier-xs-perl",
"purl": "pkg:deb/ubuntu/libcss-minifier-xs-perl@0.13-1build7?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.13-1build7"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcss-minifier-xs-perl",
"binary_version": "0.13-1build7"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "libcss-minifier-xs-perl",
"purl": "pkg:deb/ubuntu/libcss-minifier-xs-perl@0.13-1build7?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.13-1build7"
]
}
],
"aliases": [],
"details": "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.",
"id": "UBUNTU-CVE-2026-13593",
"modified": "2026-07-01T21:19:39Z",
"published": "2026-06-29T20:17:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-13593"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-13593"
},
{
"type": "REPORT",
"url": "https://lists.security.metacpan.org/cve-announce/msg/41396070/"
},
{
"type": "REPORT",
"url": "https://metacpan.org/release/GTERMARS/CSS-Minifier-XS-0.14/changes"
},
{
"type": "REPORT",
"url": "http://www.openwall.com/lists/oss-security/2026/06/29/18"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-13593"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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