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CVE-2003-0971

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

5.0 MediumFix available

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.

Exploit likelihood

3.64%Up 1.0 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

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.

Record
CVE-2003-0971
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2003-0971
Updated
2026-11-02
EUVDEUVD-2003-0961 No score

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.

Record
EUVD-2003-0961
Updated
2026-11-03
GitHub AdvisoriesGHSA-3rmj-3mrh-fv5j No score

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

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.

Record
GHSA-3rmj-3mrh-fv5j
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
gnupg
Debian:3.0
 before 1.0.6-4woody1
1.0.6-4woody1
gnupg
Red Hat:enterprise_linux:3::as
 before 0:1.2.1-10
0:1.2.1-10
gnupg-debuginfo
Red Hat:enterprise_linux:3::as
 before 0:1.2.1-10
0:1.2.1-10
gnupg
Red Hat:enterprise_linux:3::desktop
 before 0:1.2.1-10
0:1.2.1-10
gnupg-debuginfo
Red Hat:enterprise_linux:3::desktop
 before 0:1.2.1-10
0:1.2.1-10
gnupg
Red Hat:enterprise_linux:3::es
 before 0:1.2.1-10
0:1.2.1-10
gnupg-debuginfo
Red Hat:enterprise_linux:3::es
 before 0:1.2.1-10
0:1.2.1-10
gnupg
Red Hat:enterprise_linux:3::ws
 before 0:1.2.1-10
0:1.2.1-10
gnupg-debuginfo
Red Hat:enterprise_linux:3::ws
 before 0:1.2.1-10
0:1.2.1-10

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-0971 is a medium vulnerability (CVSS 5.0) in Gnu Privacy Guard, published December 2, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.64%, the 89th percentile. Fixed in gnupg 1.0.6-4woody1.

References

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