ubuntu-cve-2025-23016
Vulnerability from osv_ubuntu
Published
2025-01-10 12:15
Modified
2026-04-22 07:54
Summary
Details

FastCGI fcgi2 (aka fcgi) 2.x through 2.4.4 has an integer overflow (and resultant heap-based buffer overflow) via crafted nameLen or valueLen values in data to the IPC socket. This occurs in ReadParams in fcgiapp.c.

Severity
9.3 (Critical)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libfcgi0ldbl",
            "binary_version": "2.4.0-8.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libfcgi",
        "purl": "pkg:deb/ubuntu/libfcgi@2.4.0-8.3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.0-8.3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libfcgi-bin",
            "binary_version": "2.4.0-10"
          },
          {
            "binary_name": "libfcgi0ldbl",
            "binary_version": "2.4.0-10"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "libfcgi",
        "purl": "pkg:deb/ubuntu/libfcgi@2.4.0-10?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.0-8.4",
        "2.4.0-10"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libfcgi-bin",
            "binary_version": "2.4.0-10build1"
          },
          {
            "binary_name": "libfcgi0ldbl",
            "binary_version": "2.4.0-10build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "libfcgi",
        "purl": "pkg:deb/ubuntu/libfcgi@2.4.0-10build1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.0-10",
        "2.4.0-10build1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libfcgi-bin",
            "binary_version": "2.4.2-2ubuntu0.1"
          },
          {
            "binary_name": "libfcgi0ldbl",
            "binary_version": "2.4.2-2ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "libfcgi",
        "purl": "pkg:deb/ubuntu/libfcgi@2.4.2-2ubuntu0.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.2-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.2-2build1",
        "2.4.2-2build2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libfcgi-bin",
            "binary_version": "2.4.2-2.1ubuntu0.24.04.1"
          },
          {
            "binary_name": "libfcgi0t64",
            "binary_version": "2.4.2-2.1ubuntu0.24.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "libfcgi",
        "purl": "pkg:deb/ubuntu/libfcgi@2.4.2-2.1ubuntu0.24.04.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.2-2.1ubuntu0.24.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.2-2build2",
        "2.4.2-2.1",
        "2.4.2-2.1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libfcgi-bin",
            "binary_version": "2.4.5-0.1"
          },
          {
            "binary_name": "libfcgi0t64",
            "binary_version": "2.4.5-0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libfcgi",
        "purl": "pkg:deb/ubuntu/libfcgi@2.4.5-0.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.5-0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.2-2.1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "FastCGI fcgi2 (aka fcgi) 2.x through 2.4.4 has an integer overflow (and resultant heap-based buffer overflow) via crafted nameLen or valueLen values in data to the IPC socket. This occurs in ReadParams in fcgiapp.c.",
  "id": "UBUNTU-CVE-2025-23016",
  "modified": "2026-04-22T07:54:05Z",
  "published": "2025-01-10T12:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-23016"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-23016"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7486-1"
    }
  ],
  "related": [
    "USN-7486-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-23016"
  ]
}



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