{
  "cveId": "CVE-2025-23016",
  "url": "https://patchblox.com/security/cve/CVE-2025-23016",
  "summary": "CVE-2025-23016 is fixed in 5 products on 1 platform, first by libfcgi-bin 2.4.2-2ubuntu0.1, released January 10, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "libfcgi-bin: FastCGI fcgi2 (aka fcgi) 2.x through 2.4.4 has an integer overflow (andresultant heap-based buffer overflow) via craf...",
  "description": "FastCGI fcgi2 (aka fcgi) 2.x through 2.4.4 has an integer overflow (andresultant heap-based buffer overflow) via crafted nameLen or valueLenvalues in data to the IPC socket. This occurs in ReadParams in fcgiapp.c.",
  "published": "2025-01-10T04:15:00Z",
  "severity": "Medium",
  "cvss": 9.3,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
  "epss": 0.00613,
  "epssPercentile": 0.49604,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "FastCGI",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "2.4.0-150000.4.3.1",
      "fix": "SUSE-SU-2025:02372-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-02372-1",
      "released": "2025-07-18T12:47:08Z"
    },
    {
      "platform": "linux",
      "product": "FastCGI",
      "release": "sles 15.6",
      "fixedVersion": "2.4.0-150000.4.3.1",
      "fix": "SUSE-SU-2025:02372-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-02372-1",
      "released": "2025-07-18T12:47:08Z"
    },
    {
      "platform": "linux",
      "product": "FastCGI",
      "release": "sles 15.7",
      "fixedVersion": "2.4.0-150000.4.3.1",
      "fix": "SUSE-SU-2025:02372-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-02372-1",
      "released": "2025-07-18T12:47:08Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "2.4.2-2\u002Bdeb11u1",
      "fix": "DLA-4329-1",
      "url": "https://patchblox.com/security/fix/linux/dla-4329-1",
      "released": "2025-10-13T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.4.2-2\u002Bdeb12u1",
      "fix": "DEBIAN-CVE-2025-23016",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-23016",
      "released": "2025-01-10T12:15:25Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.4.5-0.1",
      "fix": "DEBIAN-CVE-2025-23016",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-23016",
      "released": "2025-01-10T12:15:25Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi",
      "release": "Debian 14",
      "fixedVersion": "2.4.5-0.1",
      "fix": "DEBIAN-CVE-2025-23016",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-23016",
      "released": "2025-01-10T12:15:25Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi-bin",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.4.2-2ubuntu0.1",
      "fix": "libfcgi-bin 2.4.2-2ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libfcgi-bin-2.4.2-2ubuntu0.1",
      "released": "2025-01-10T04:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi-bin",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.4.2-2.1ubuntu0.24.04.1",
      "fix": "libfcgi-bin 2.4.2-2.1ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libfcgi-bin-2.4.2-2.1ubuntu0.24.04.1",
      "released": "2025-01-10T04:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi-bin",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "2.4.2-2.1ubuntu0.24.10.1",
      "fix": "libfcgi-bin 2.4.2-2.1ubuntu0.24.10.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libfcgi-bin-2.4.2-2.1ubuntu0.24.10.1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi-bin",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "2.4.2-2.1ubuntu0.25.04.1",
      "fix": "libfcgi-bin 2.4.2-2.1ubuntu0.25.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libfcgi-bin-2.4.2-2.1ubuntu0.25.04.1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi-bin",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "2.4.5-0.1",
      "fix": "libfcgi-bin 2.4.5-0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libfcgi-bin-2.4.5-0.1",
      "released": "2025-01-10T04:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi0ldbl",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.4.2-2ubuntu0.1",
      "fix": "libfcgi0ldbl 2.4.2-2ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libfcgi0ldbl-2.4.2-2ubuntu0.1",
      "released": "2025-01-10T04:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi0t64",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.4.2-2.1ubuntu0.24.04.1",
      "fix": "libfcgi0t64 2.4.2-2.1ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libfcgi0t64-2.4.2-2.1ubuntu0.24.04.1",
      "released": "2025-01-10T04:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi0t64",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "2.4.2-2.1ubuntu0.24.10.1",
      "fix": "libfcgi0t64 2.4.2-2.1ubuntu0.24.10.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libfcgi0t64-2.4.2-2.1ubuntu0.24.10.1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi0t64",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "2.4.2-2.1ubuntu0.25.04.1",
      "fix": "libfcgi0t64 2.4.2-2.1ubuntu0.25.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libfcgi0t64-2.4.2-2.1ubuntu0.25.04.1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "libfcgi0t64",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "2.4.5-0.1",
      "fix": "libfcgi0t64 2.4.5-0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libfcgi0t64-2.4.5-0.1",
      "released": "2025-01-10T04:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}