CVE-2003-0971

CVE-2003-0971 is a medium-severity vulnerability in Gnu Privacy Guard with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is CVE-2003-0971?
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.
How severe is CVE-2003-0971?
CVE-2003-0971 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0971 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0971?
CVE-2003-0971 primarily affects Gnu Privacy Guard. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0971?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0971 published?
CVE-2003-0971 was published on 2003-12-15 and last updated on 2026-06-16.

References

Affected products (12)

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