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TI-2003-00236 Aliases CVE-2003-0255GHSA-v66g-8h9c-j8vh

The key validation code in GnuPG before 1.2.2 does not properly determine the validity of…

Priority MEDIUM 52Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Fixed

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

Summary

The key validation code in GnuPG before 1.2.2 does not properly determine the validity of keys with multiple user IDs and assigns the greatest validity of the most valid user ID, which prevents GnuPG from warning the encrypting user when a user ID does not have a trusted path.

Why it matters now

EPSS 0.06558 93rd percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

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:privacy_guard:*:*:*:*:*:*:*:*up to 1.2.1VulnerableGNU
  • cpe:2.3:a:gnu:privacy_guard:*:*:*:*:*:*:*:* Versions up to 1.2.1 Vulnerable ·GNU

Remediation

Red Hat 2 advisories

  • RHSA-2003:176 Released 2003-06-23 · Red Hat rating Moderate
    gnupg security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
    • Red Hat Enterprise Linux ES version 2.1
    • Red Hat Enterprise Linux WS version 2.1
    • Red Hat Linux Advanced Workstation 2.1
  • RHSA-2003:175 Released 2003-05-21 · Red Hat rating Moderate
    : Updated gnupg packages fix validation bug
    • Red Hat Linux 7.1
    • Red Hat Linux 7.2
    • Red Hat Linux 7.3
    • Red Hat Linux 8.0
    • Red Hat Linux 9

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2003:176
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2003:176
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2003:176
Red Hat Linux 7.1Fixed RHSA-2003:175
Red Hat Linux 7.2Fixed RHSA-2003:175
Red Hat Linux 7.3Fixed RHSA-2003:175
Red Hat Linux 8.0Fixed RHSA-2003:175
Red Hat Linux 9Fixed RHSA-2003:175
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2003:176

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0255
  2. 2026-10-03 Alias added: GHSA-v66g-8h9c-j8vh

References

Patch 1

Advisory 7

Other 6

  • TI-2006-05999 A "stack overwrite" vulnerability in GnuPG (gpg) 1.x before 1.4.6, 2.x before 2.0.2, and… CVSS 2.0HIGH 10.0
  • TI-2001-00511 Format string vulnerability in Gnu Privacy Guard (aka GnuPG or gpg) 1.05 and earlier can… CVSS 2.0HIGH 7.5
  • TI-2003-00884 Format string vulnerability in gpgkeys_hkp (experimental HKP interface) for the GnuPG… CVSS 2.0HIGH 7.5
  • TI-2000-00964 GnuPG (gpg) 1.0.3 does not properly check all signatures of a file containing multiple… CVSS 2.0HIGH 7.5
  • TI-2003-00877 GnuPG (GPG) 1.0.2, and other versions up to 1.2.3, creates ElGamal type 20 (sign+encrypt)… CVSS 2.0MEDIUM 5.0
  • TI-2006-00044 gpg in GnuPG before 1.4.2.2 does not properly verify non-detached signatures, which… CVSS 2.0MEDIUM 5.0
See all 9 →

Sources

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