ubuntu-cve-2025-40929
Vulnerability from osv_ubuntu
Published
2025-09-08 15:15
Modified
2026-05-20 15:22
Summary
Details
Cpanel::JSON::XS before version 4.40 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact
Severity
5.6 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcpanel-json-xs-perl",
"binary_version": "3.0210-1ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "libcpanel-json-xs-perl",
"purl": "pkg:deb/ubuntu/libcpanel-json-xs-perl@3.0210-1ubuntu1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.0115-1",
"3.0210-1ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcpanel-json-xs-perl",
"binary_version": "3.0239-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "libcpanel-json-xs-perl",
"purl": "pkg:deb/ubuntu/libcpanel-json-xs-perl@3.0239-1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.0225-1build1",
"3.0239-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libcpanel-json-xs-perl",
"binary_version": "4.19-1ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "libcpanel-json-xs-perl",
"purl": "pkg:deb/ubuntu/libcpanel-json-xs-perl@4.19-1ubuntu0.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.12-1",
"4.12-1build1",
"4.15-1",
"4.17-1",
"4.18-1",
"4.19-1",
"4.19-1build1",
"4.19-1ubuntu0.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libcpanel-json-xs-perl",
"binary_version": "4.27-1ubuntu0.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "libcpanel-json-xs-perl",
"purl": "pkg:deb/ubuntu/libcpanel-json-xs-perl@4.27-1ubuntu0.2?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.27-1ubuntu0.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.25-1build1",
"4.25-1build2",
"4.27-1",
"4.27-1build1",
"4.27-1ubuntu0.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libcpanel-json-xs-perl",
"binary_version": "4.37-1ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "libcpanel-json-xs-perl",
"purl": "pkg:deb/ubuntu/libcpanel-json-xs-perl@4.37-1ubuntu0.1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.37-1ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.37-1",
"4.37-1build1",
"4.37-1build2",
"4.37-1build3"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libcpanel-json-xs-perl",
"binary_version": "4.39-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "libcpanel-json-xs-perl",
"purl": "pkg:deb/ubuntu/libcpanel-json-xs-perl@4.39-2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.39-2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.39-1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libcpanel-json-xs-perl",
"binary_version": "4.39-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "libcpanel-json-xs-perl",
"purl": "pkg:deb/ubuntu/libcpanel-json-xs-perl@4.39-2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.39-2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": []
}
],
"aliases": [],
"details": "Cpanel::JSON::XS before version 4.40 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact",
"id": "UBUNTU-CVE-2025-40929",
"modified": "2026-05-20T15:22:51Z",
"published": "2025-09-08T15:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-40929"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40929"
},
{
"type": "REPORT",
"url": "https://lists.security.metacpan.org/cve-announce/msg/32608920/"
},
{
"type": "REPORT",
"url": "https://github.com/rurban/Cpanel-JSON-XS/commit/378236219eaa35742c3962ecbdee364903b0a1f2.patch"
},
{
"type": "REPORT",
"url": "https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.39/source/XS.xs#L713"
},
{
"type": "REPORT",
"url": "https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.40/changes"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7749-1"
}
],
"related": [
"USN-7749-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-40929"
]
}
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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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