# CVE-2003-0971

## Summary

- **CVE ID:** CVE-2003-0971
- **Severity:** UNKNOWN
- **CVSS Score:** 0.09
- **CWE:** N/A
- **Published:** Dec 2, 2003
- **Last Modified:** Mar 16, 2026

## 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.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.redhat.com/support/errata/RHSA-2003-395.html)
- [CNA](ftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.asc)
- [CNA](http://www.novell.com/linux/security/advisories/2003_048_gpg.html)
- [CNA](http://www.kb.cert.org/vuls/id/940388)
- [CNA](http://secunia.com/advisories/10349)
- [CNA](http://marc.info/?l=bugtraq&m=106995769213221&w=2)
- [CNA](http://www.debian.org/security/2004/dsa-429)
- [CNA](http://lists.gnupg.org/pipermail/gnupg-announce/2003q4/000276.html)
- [CNA](http://www.securityfocus.com/bid/9115)
- [CNA](http://lists.gnupg.org/pipermail/gnupg-announce/2003q4/000277.html)
- [CNA](http://www.redhat.com/support/errata/RHSA-2003-390.html)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10982)
- [CNA](http://secunia.com/advisories/10399)
- [CNA](http://secunia.com/advisories/10304)
- [CNA](http://www.mandriva.com/security/advisories?name=MDKSA-2003:109)
- [CNA](http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000798)
- [CNA](http://secunia.com/advisories/10400)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 2.34%
- **EPSS Percentile:** 84.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._