CVE catalog

CVE-2025-46802

GNU Screen vulnerabilities

For a short time they PTY is set to mode 666, allowing any user on the system to connect to the screen session.

Severity: High · CVSS 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: May 8, 2025, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.24% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence

Original provider fields

{
  "package_releases": [
    {
      "name": "screen",
      "status": "fixed",
      "release": "sid",
      "version": "5.0.2-1"
    },
    {
      "name": "screen",
      "status": "fixed",
      "release": "forky",
      "version": "5.0.2-1"
    },
    {
      "name": "screen",
      "status": "fixed",
      "release": "trixie",
      "version": "4.9.1-3"
    },
    {
      "name": "screen",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "4.9.0-4"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1105191,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": "4.9.1-3"
    },
    {
      "bug": 1105191,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": "4.9.1-3"
    },
    {
      "bug": 1105191,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": "4.9.1-3"
    },
    {
      "bug": 1105191,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "screen",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "not yet fixed"
    },
    {
      "name": "screen",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "4.9.1-1ubuntu1"
    },
    {
      "name": "screen",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.9.1_git20250512-r0"
            }
          ]
        }
      ],
      "release": "3.18",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "4.9.1_git20250512-r0",
      "provider_record_id": "ALPINE-CVE-2025-46802"
    },
    {
      "name": "screen",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.9.1_git20250512-r0"
            }
          ]
        }
      ],
      "release": "3.19",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "4.9.1_git20250512-r0",
      "provider_record_id": "ALPINE-CVE-2025-46802"
    },
    {
      "name": "screen",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.9.1_git20250512-r0"
            }
          ]
        }
      ],
      "release": "3.20",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "4.9.1_git20250512-r0",
      "provider_record_id": "ALPINE-CVE-2025-46802"
    },
    {
      "name": "screen",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.1-r0"
            }
          ]
        }
      ],
      "release": "3.21",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "5.0.1-r0",
      "provider_record_id": "ALPINE-CVE-2025-46802"
    },
    {
      "name": "screen",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.1-r0"
            }
          ]
        }
      ],
      "release": "3.22",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "5.0.1-r0",
      "provider_record_id": "ALPINE-CVE-2025-46802"
    },
    {
      "name": "screen",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.1-r0"
            }
          ]
        }
      ],
      "release": "3.23",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "5.0.1-r0",
      "provider_record_id": "ALPINE-CVE-2025-46802"
    },
    {
      "name": "screen",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.1-r0"
            }
          ]
        }
      ],
      "release": "3.24",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "5.0.1-r0",
      "provider_record_id": "ALPINE-CVE-2025-46802"
    },
    {
      "name": "screen",
      "distro": "opensuse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.9.1-5.1"
            }
          ]
        }
      ],
      "release": "tumbleweed",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.9.1-5.1",
      "provider_record_id": "OPENSUSE-SU-2025:15164-1"
    },
    {
      "name": "screen",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.0.4-23.9.1"
            }
          ]
        }
      ],
      "release": "linux enterprise server ltss extended security 12 sp5",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.0.4-23.9.1",
      "provider_record_id": "SUSE-SU-2025:02186-1"
    },
    {
      "name": "screen",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.6.2-150000.5.8.1"
            }
          ]
        }
      ],
      "release": "linux enterprise micro 5.3",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.6.2-150000.5.8.1",
      "provider_record_id": "SUSE-SU-2025:02016-1"
    },
    {
      "name": "screen",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.6.2-150000.5.8.1"
            }
          ]
        }
      ],
      "release": "linux enterprise micro 5.4",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.6.2-150000.5.8.1",
      "provider_record_id": "SUSE-SU-2025:02016-1"
    },
    {
      "name": "screen",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.6.2-150000.5.8.1"
            }
          ]
        }
      ],
      "release": "linux enterprise micro 5.5",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.6.2-150000.5.8.1",
      "provider_record_id": "SUSE-SU-2025:02016-1"
    },
    {
      "name": "screen",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.6.2-150000.5.8.1"
            }
          ]
        }
      ],
      "release": "linux enterprise module for basesystem 15 sp6",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.6.2-150000.5.8.1",
      "provider_record_id": "SUSE-SU-2025:02016-1"
    },
    {
      "name": "screen",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.6.2-150000.5.8.1"
            }
          ]
        }
      ],
      "release": "linux enterprise module for basesystem 15 sp7",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.6.2-150000.5.8.1",
      "provider_record_id": "SUSE-SU-2025:02016-1"
    },
    {
      "name": "screen",
      "distro": "opensuse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.6.2-150000.5.8.1"
            }
          ]
        }
      ],
      "release": "leap 15.6",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "4.6.2-150000.5.8.1",
      "provider_record_id": "SUSE-SU-2025:02016-1"
    },
    {
      "name": "screen",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "4.6.1-1",
        "4.6.2-1",
        "4.6.2-1ubuntu1",
        "4.6.2-1ubuntu1.1",
        "4.6.2-1ubuntu1.1+esm1"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2025-46802"
    },
    {
      "name": "screen",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "4.6.2-3build1",
        "4.7.0-1",
        "4.8.0-1",
        "4.8.0-1ubuntu0.1"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2025-46802"
    },
    {
      "name": "screen",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.9.0-1ubuntu0.1"
            }
          ]
        }
      ],
      "release": "22.04",
      "versions": [
        "4.8.0-6",
        "4.8.0-6build1",
        "4.8.0-7",
        "4.9.0-1"
      ],
      "ecosystem": "deb",
      "fixed_version": "4.9.0-1ubuntu0.1",
      "provider_record_id": "UBUNTU-CVE-2025-46802"
    },
    {
      "name": "screen",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.9.1-1ubuntu1"
            }
          ]
        }
      ],
      "release": "24.04",
      "versions": [
        "4.9.0-4",
        "4.9.1-1",
        "4.9.1-1build1"
      ],
      "ecosystem": "deb",
      "fixed_version": "4.9.1-1ubuntu1",
      "provider_record_id": "UBUNTU-CVE-2025-46802"
    }
  ]
}

[Debian bug #1105191]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[screen]Unknown
Details (2)
- 4.9.0-4 · amd64 · bookworm
  Affected
  usn · screen · debian · bookworm; usn · screen · debian · 12
- 4.9.0-4 · arm64 · bookworm
  Affected
  usn · screen · debian · bookworm; usn · screen · debian · 12

[Debian 13 (Trixie)]

[screen]Unknown
Details (2)
- 4.9.1-3 · amd64 · trixie
  Fixed · Fixed: 4.9.1-3
  usn · screen · debian · 13
- 4.9.1-3 · arm64 · trixie
  Fixed · Fixed: 4.9.1-3
  usn · screen · debian · 13

[openSUSE Tumbleweed]

[screen]Unknown
Source package: [screen]
Details (1)
- 4.9.1-5.6 · x86_64 · tumbleweed
  Fixed · Fixed: 4.9.1-5.1
  usn · screen · opensuse · tumbleweed

Observed: Oct 24, 2026, 10:30:24 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]