CVE catalog

CVE-2006-4573

screen affected and fixed versions

[CVE catalog]

Multiple unspecified vulnerabilities in the "utf8 combining characters handling" (utf8_handle_comb function in encoding.c) in screen before 4.0.3 allows user-assisted attackers to cause a denial of service (crash or hang) via certain UTF8 sequences.

Severity
High
Published
Source
[NVD] · [CVE record]
EPSS
2.29% · 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.

Distribution / releasePackageVersionStatusSource
Debiantrixiescreen4.0.3-0.1FixedDistribution-reported fixed boundary[CVE-2006-4573]
Debiantrixiescreen4.9.1-3Fixed[CVE-2006-4573]
Debiansidscreen4.0.3-0.1FixedDistribution-reported fixed boundary[CVE-2006-4573]
Debiansidscreen5.0.2-1Fixed[CVE-2006-4573]
Debianforkyscreen4.0.3-0.1FixedDistribution-reported fixed boundary[CVE-2006-4573]
Debianforkyscreen5.0.2-1Fixed[CVE-2006-4573]
Debianbookwormscreen4.0.3-0.1FixedDistribution-reported fixed boundary[CVE-2006-4573]
Debianbookwormscreen4.9.0-4Fixed[CVE-2006-4573]

Showing 8 fix observations. All 9 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence
Distribution / releasePackageVersionStatusSource
UnknownRelease not reportedscreen4.0.3-0.1UnknownSource applicability is not establishedProvider not reported
Debianbookwormscreen4.0.3-0.1FixedDistribution-reported fixed boundary[CVE-2006-4573]
Debianbookwormscreen4.9.0-4Fixed[CVE-2006-4573]
Debianforkyscreen4.0.3-0.1FixedDistribution-reported fixed boundary[CVE-2006-4573]
Debianforkyscreen5.0.2-1Fixed[CVE-2006-4573]
Debiansidscreen4.0.3-0.1FixedDistribution-reported fixed boundary[CVE-2006-4573]
Debiansidscreen5.0.2-1Fixed[CVE-2006-4573]
Debiantrixiescreen4.0.3-0.1FixedDistribution-reported fixed boundary[CVE-2006-4573]
Debiantrixiescreen4.9.1-3Fixed[CVE-2006-4573]
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": "fixed",
      "release": "bookworm",
      "version": "4.9.0-4"
    }
  ],
  "fixed_versions": [
    {
      "bug": 395225,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "medium",
      "fixed_version": "4.0.3-0.1"
    },
    {
      "bug": 395225,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "medium",
      "fixed_version": "4.0.3-0.1"
    },
    {
      "bug": 395225,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "medium",
      "fixed_version": "4.0.3-0.1"
    },
    {
      "bug": 395225,
      "name": "screen",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "medium",
      "fixed_version": "4.0.3-0.1"
    }
  ],
  "distribution_packages": [
    {
      "name": "screen",
      "fixed_version": "4.0.3-0.1",
      "applicability_unknown": true
    }
  ]
}

[Debian bug #395225]

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

      Fixed · Fixed: 4.0.3-0.1

      dsa · screen · debian · bookworm; dsa · screen · debian · 12

    • 4.9.0-4 · arm64 · bookworm

      Fixed · Fixed: 4.0.3-0.1

      dsa · screen · debian · bookworm; dsa · screen · debian · 12

[Debian 13 (Trixie)]

  • [screen]Unknown
    Details (2)

    • 4.9.1-3 · amd64 · trixie

      Fixed · Fixed: 4.0.3-0.1

      dsa · screen · debian · 13

    • 4.9.1-3 · arm64 · trixie

      Fixed · Fixed: 4.0.3-0.1

      dsa · screen · debian · 13

Observed:

References

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