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TI-2003-00877 Aliases CVE-2003-0971GHSA-3rmj-3mrh-fv5j

GnuPG (GPG) 1.0.2, and other versions up to 1.2.3, creates ElGamal type 20 (sign+encrypt)…

Priority LOW 29Published · 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
Partial · None · None
Fix status
Fixed

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

Summary

GnuPG (GPG) 1.0.2, and other versions up to 1.2.3, creates ElGamal type 20 (sign+encrypt) keys using the same key component for encryption as for signing, which allows attackers to determine the private key from a signature.

Why it matters now

EPSS 0.03639 89th 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 · 12

CPEVersionsRoleVendor
cpe:2.3:a:gnu:privacy_guard:1.0.2:*:*:*:*:*:*:*1.0.2VulnerableGNU
cpe:2.3:a:gnu:privacy_guard:1.0.3:*:*:*:*:*:*:*1.0.3VulnerableGNU
cpe:2.3:a:gnu:privacy_guard:1.0.3b:*:*:*:*:*:*:*1.0.3bVulnerableGNU
cpe:2.3:a:gnu:privacy_guard:1.0.4:*:*:*:*:*:*:*1.0.4VulnerableGNU
cpe:2.3:a:gnu:privacy_guard:1.0.5:*:*:*:*:*:*:*1.0.5VulnerableGNU
cpe:2.3:a:gnu:privacy_guard:1.0.6:*:*:*:*:*:*:*1.0.6VulnerableGNU
cpe:2.3:a:gnu:privacy_guard:1.0.7:*:*:*:*:*:*:*1.0.7VulnerableGNU
cpe:2.3:a:gnu:privacy_guard:1.2:*:*:*:*:*:*:*1.2VulnerableGNU
cpe:2.3:a:gnu:privacy_guard:1.2.1:*:*:*:*:*:*:*1.2.1VulnerableGNU
cpe:2.3:a:gnu:privacy_guard:1.2.2:*:*:*:*:*:*:*1.2.2VulnerableGNU
  • cpe:2.3:a:gnu:privacy_guard:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·GNU
  • cpe:2.3:a:gnu:privacy_guard:1.0.3:*:*:*:*:*:*:* Versions 1.0.3 Vulnerable ·GNU
  • cpe:2.3:a:gnu:privacy_guard:1.0.3b:*:*:*:*:*:*:* Versions 1.0.3b Vulnerable ·GNU
  • cpe:2.3:a:gnu:privacy_guard:1.0.4:*:*:*:*:*:*:* Versions 1.0.4 Vulnerable ·GNU
  • cpe:2.3:a:gnu:privacy_guard:1.0.5:*:*:*:*:*:*:* Versions 1.0.5 Vulnerable ·GNU
  • cpe:2.3:a:gnu:privacy_guard:1.0.6:*:*:*:*:*:*:* Versions 1.0.6 Vulnerable ·GNU
  • cpe:2.3:a:gnu:privacy_guard:1.0.7:*:*:*:*:*:*:* Versions 1.0.7 Vulnerable ·GNU
  • cpe:2.3:a:gnu:privacy_guard:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·GNU
  • cpe:2.3:a:gnu:privacy_guard:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:privacy_guard:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·GNU
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:gnu:privacy_guard:1.2.2:rc1:*:*:*:*:*:*1.2.2 rc1VulnerableGNU
cpe:2.3:a:gnu:privacy_guard:1.2.3:*:*:*:*:*:*:*1.2.3VulnerableGNU
  • cpe:2.3:a:gnu:privacy_guard:1.2.2:rc1:*:*:*:*:*:* Versions 1.2.2 rc1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:privacy_guard:1.2.3:*:*:*:*:*:*:* Versions 1.2.3 Vulnerable ·GNU

Remediation

Red Hat 2 advisories

  • RHSA-2003:390 Released 2003-12-11 · Red Hat rating Important
    : Updated gnupg packages disable ElGamal keys
    • Red Hat Linux 7.1
    • Red Hat Linux 7.2
    • Red Hat Linux 7.3
    • Red Hat Linux 8.0
    • Red Hat Linux 9
  • RHSA-2003:395 Released 2003-12-11 · Red Hat rating Important
    gnupg security update
    • Red Hat Desktop version 3 gnupg-1.2.1-10, gnupg-1.2.1-10.i386
    • Red Hat Enterprise Linux AS version 3 gnupg-1.2.1-10, gnupg-1.2.1-10.i386, gnupg-1.2.1-10.ia64 +1
    • Red Hat Enterprise Linux ES version 3 gnupg-1.2.1-10, gnupg-1.2.1-10.i386, gnupg-1.2.1-10.ia64
    • Red Hat Enterprise Linux WS version 3 gnupg-1.2.1-10, gnupg-1.2.1-10.i386, gnupg-1.2.1-10.ia64

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2003:395
Red Hat Enterprise Linux AS version 3Fixed RHSA-2003:395
Red Hat Enterprise Linux ES version 3Fixed RHSA-2003:395
Red Hat Enterprise Linux WS version 3Fixed RHSA-2003:395
Red Hat Linux 7.1Fixed RHSA-2003:390
Red Hat Linux 7.2Fixed RHSA-2003:390
Red Hat Linux 7.3Fixed RHSA-2003:390
Red Hat Linux 8.0Fixed RHSA-2003:390
Red Hat Linux 9Fixed RHSA-2003:390

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0971
  2. 2026-10-03 Alias added: GHSA-3rmj-3mrh-fv5j

References

Patch 2

Advisory 7

Other 2

  • 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-2003-00236 The key validation code in GnuPG before 1.2.2 does not properly determine the validity of… 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-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