{
  "cveId": "CVE-2025-40929",
  "url": "https://patchblox.com/security/cve/CVE-2025-40929",
  "summary": "CVE-2025-40929 is fixed in 4 products on 1 platform, first by libcpanel-json-xs-perl 4.27-1ubuntu0.2, released September 8, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libcpanel-json-xs-perl: Cpanel::JSON::XS before version 4.40 for Perl has an integer bufferoverflow causing a segfault when parsing crafted J...",
  "description": "Cpanel::JSON::XS before version 4.40 for Perl has an integer bufferoverflow causing a segfault when parsing crafted JSON, enablingdenial-of-service attacks or other unspecified impact",
  "published": "2025-09-08T08:15:00Z",
  "severity": "Medium",
  "cvss": 5.6,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
  "epss": 0.0046,
  "epssPercentile": 0.40073,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libcpanel-json-xs-perl",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "4.25-1\u002Bdeb11u1",
      "fix": "DLA-4318-1",
      "url": "https://patchblox.com/security/fix/linux/dla-4318-1",
      "released": "2025-09-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcpanel-json-xs-perl",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "4.35-1\u002Bdeb12u1",
      "fix": "DSA-6000-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-6000-1",
      "released": "2025-09-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcpanel-json-xs-perl",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "4.39-2~deb13u1",
      "fix": "DSA-6000-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-6000-1",
      "released": "2025-09-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libcpanel-json-xs-perl",
      "release": "Debian 14",
      "fixedVersion": "4.39-2",
      "fix": "DEBIAN-CVE-2025-40929",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-40929",
      "released": "2025-09-08T15:15:35Z"
    },
    {
      "platform": "linux",
      "product": "libcpanel-json-xs-perl",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "4.27-1ubuntu0.2",
      "fix": "libcpanel-json-xs-perl 4.27-1ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libcpanel-json-xs-perl-4.27-1ubuntu0.2",
      "released": "2025-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libcpanel-json-xs-perl",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "4.37-1ubuntu0.1",
      "fix": "libcpanel-json-xs-perl 4.37-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libcpanel-json-xs-perl-4.37-1ubuntu0.1",
      "released": "2025-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libcpanel-json-xs-perl",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "4.39-1ubuntu0.1",
      "fix": "libcpanel-json-xs-perl 4.39-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libcpanel-json-xs-perl-4.39-1ubuntu0.1",
      "released": "2026-01-16T01:42:25Z"
    },
    {
      "platform": "linux",
      "product": "libcpanel-json-xs-perl",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "4.39-2",
      "fix": "libcpanel-json-xs-perl 4.39-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libcpanel-json-xs-perl-4.39-2",
      "released": "2025-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libcpanel-json-xs-perl",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "4.39-2",
      "fix": "libcpanel-json-xs-perl 4.39-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libcpanel-json-xs-perl-4.39-2",
      "released": "2025-09-08T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "perl-Cpanel-JSON-XS",
      "release": "amzn 2023",
      "fixedVersion": "4.25-2.amzn2023.0.7",
      "fix": "ALAS2023-2025-1199",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1199",
      "released": "2025-09-17T23:14:00Z"
    },
    {
      "platform": "linux",
      "product": "perl-Cpanel-JSON-XS",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "4.420.0-bp160.1.1",
      "fix": "OPENSUSE-SU-2026:21140-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21140-1",
      "released": "2026-06-19T09:45:15Z"
    },
    {
      "platform": "linux",
      "product": "perl-Cpanel-JSON-XS",
      "release": "sles 15.7",
      "fixedVersion": "4.800.0-150700.3.9.1",
      "fix": "SUSE-SU-2026:4926-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4926-1",
      "released": "2026-11-07T00:43:02Z"
    },
    {
      "platform": "linux",
      "product": "perl-Cpanel-JSON-XS-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "4.25-2.amzn2023.0.7",
      "fix": "ALAS2023-2025-1199",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1199",
      "released": "2025-09-17T23:14:00Z"
    },
    {
      "platform": "linux",
      "product": "perl-Cpanel-JSON-XS-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "4.25-2.amzn2023.0.7",
      "fix": "ALAS2023-2025-1199",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1199",
      "released": "2025-09-17T23:14:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}