CVE catalog

CVE-2025-46803

screen affected and fixed versions

The default mode of pseudo terminals (PTYs) allocated by Screen was changed from 0620 to 0622, thereby allowing anyone to write to any Screen PTYs in the system.

Severity: High · CVSS 7.7CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published: May 13, 2025, 4:41:25 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.22% · Oct 27, 2026

Projects and upstream resources

[screen][Source-reported homepage]

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.

Distribution / release	Package	Version	Status	Source
Debiantrixie	screen	Not reported	Not affectedDistribution reports not affected	[CVE-2025-46803]
Debiantrixie	screen	`4.9.1-3`	Not affected	[CVE-2025-46803]
Debiansid	screen	Not reported	Not affectedDistribution reports not affected	[CVE-2025-46803]
Debiansid	screen	`5.0.2-1`	Not affected	[CVE-2025-46803]
Debianforky	screen	Not reported	Not affectedDistribution reports not affected	[CVE-2025-46803]
Debianforky	screen	`5.0.2-1`	Not affected	[CVE-2025-46803]
Debianbookworm	screen	Not reported	Not affectedDistribution reports not affected	[CVE-2025-46803]
Debianbookworm	screen	`4.9.0-4`	Not affected	[CVE-2025-46803]
Alpine3.24	screen	`5.0.1-r0`	UnknownSource applicability is not established	[ALPINE-CVE-2025-46803]Aug 27, 2026, 10:18:02 PM UTC
Alpine3.23	screen	`5.0.1-r0`	UnknownSource applicability is not established	[ALPINE-CVE-2025-46803]Aug 27, 2026, 10:18:02 PM UTC
Alpine3.22	screen	`5.0.1-r0`	UnknownSource applicability is not established	[ALPINE-CVE-2025-46803]Aug 27, 2026, 10:18:02 PM UTC
Alpine3.21	screen	`5.0.1-r0`	UnknownSource applicability is not established	[ALPINE-CVE-2025-46803]Aug 27, 2026, 10:18:02 PM UTC

Showing 12 observations. All 13 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
UnknownRelease not reported	screen	Not reported	UnknownSource applicability is not established	Provider not reported
Alpine3.21	screen	`5.0.1-r0`	UnknownSource applicability is not established	[ALPINE-CVE-2025-46803]Aug 27, 2026, 10:18:02 PM UTC
Alpine3.22	screen	`5.0.1-r0`	UnknownSource applicability is not established	[ALPINE-CVE-2025-46803]Aug 27, 2026, 10:18:02 PM UTC
Alpine3.23	screen	`5.0.1-r0`	UnknownSource applicability is not established	[ALPINE-CVE-2025-46803]Aug 27, 2026, 10:18:02 PM UTC
Alpine3.24	screen	`5.0.1-r0`	UnknownSource applicability is not established	[ALPINE-CVE-2025-46803]Aug 27, 2026, 10:18:02 PM UTC
Debianbookworm	screen	Not reported	Not affectedDistribution reports not affected	[CVE-2025-46803]
Debianbookworm	screen	`4.9.0-4`	Not affected	[CVE-2025-46803]
Debianforky	screen	Not reported	Not affectedDistribution reports not affected	[CVE-2025-46803]
Debianforky	screen	`5.0.2-1`	Not affected	[CVE-2025-46803]
Debiansid	screen	Not reported	Not affectedDistribution reports not affected	[CVE-2025-46803]
Debiansid	screen	`5.0.2-1`	Not affected	[CVE-2025-46803]
Debiantrixie	screen	Not reported	Not affectedDistribution reports not affected	[CVE-2025-46803]
Debiantrixie	screen	`4.9.1-3`	Not affected	[CVE-2025-46803]

Original provider fields

{
  "package_releases": [
    {
      "name": "screen",
      "status": "not affected",
      "release": "sid",
      "version": "5.0.2-1"
    },
    {
      "name": "screen",
      "status": "not affected",
      "release": "forky",
      "version": "5.0.2-1"
    },
    {
      "name": "screen",
      "status": "not affected",
      "release": "trixie",
      "version": "4.9.1-3"
    },
    {
      "name": "screen",
      "status": "not affected",
      "release": "bookworm",
      "version": "4.9.0-4"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": "0"
    },
    {
      "bug": null,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": "0"
    }
  ],
  "distribution_packages": [
    {
      "name": "screen",
      "fixed_version": "0",
      "applicability_unknown": true
    },
    {
      "name": "screen",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.1-r0"
            }
          ]
        }
      ],
      "release": "3.21",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2025-46803",
      "fixed_version": "5.0.1-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2025-46803",
      "provider_updated_at": "2026-08-27T22:18:02.904522499Z",
      "applicability_unknown": true
    },
    {
      "name": "screen",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.1-r0"
            }
          ]
        }
      ],
      "release": "3.22",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2025-46803",
      "fixed_version": "5.0.1-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2025-46803",
      "provider_updated_at": "2026-08-27T22:18:02.904522499Z",
      "applicability_unknown": true
    },
    {
      "name": "screen",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.1-r0"
            }
          ]
        }
      ],
      "release": "3.23",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2025-46803",
      "fixed_version": "5.0.1-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2025-46803",
      "provider_updated_at": "2026-08-27T22:18:02.904522499Z",
      "applicability_unknown": true
    },
    {
      "name": "screen",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.1-r0"
            }
          ]
        }
      ],
      "release": "3.24",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2025-46803",
      "fixed_version": "5.0.1-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2025-46803",
      "provider_updated_at": "2026-08-27T22:18:02.904522499Z",
      "applicability_unknown": true
    }
  ]
}

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
  Not affected
  dsa · screen · debian · bookworm
- 4.9.0-4 · arm64 · bookworm
  Not affected
  dsa · screen · debian · bookworm

Observed: Oct 24, 2026, 10:21:49 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]