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TI-2006-04419 Aliases CVE-2006-4573GHSA-5v6p-jx73-rq6x

Multiple unspecified vulnerabilities in the "utf8 combining characters handling"…

Priority LOW 18Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Will not fix Red Hat: no fix planned

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.02286 83rd percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnu:screen:*:*:*:*:*:*:*:*up to 4.0.2VulnerableGNU
  • cpe:2.3:a:gnu:screen:*:*:*:*:*:*:*:* Versions up to 4.0.2 Vulnerable ·GNU

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 4AffectedNo fix planned: Will not fix
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-4573
  2. 2026-10-03 Alias added: GHSA-5v6p-jx73-rq6x

References

Patch 1

Advisory 7

Other 4

  • TI-2023-10233 socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on… CVSS 3.1MEDIUM 6.5
  • TI-2021-08542 encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of… CVSS 3.1CRITICAL 9.8
  • TI-2003-00878 Integer signedness error in ansi.c for GNU screen 4.0.1 and earlier, and 3.9.15 and… CVSS 2.0HIGH 10.0
  • TI-2020-07488 A buffer overflow was found in the way GNU Screen before 4.8.0 treated the special escape… CVSS 3.1CRITICAL 9.8
  • TI-2017-03620 GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently… CVSS 3.0HIGH 7.8
  • TI-2007-02947 GNU screen 4.0.3 allows local users to unlock the screen via a CTRL-C sequence at the… CVSS 2.0HIGH 7.2
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences