CVE-2003-0978

CVE-2003-0978 is a high-severity vulnerability in Gnu Privacy Guard with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Format string vulnerability in gpgkeys_hkp (experimental HKP interface) for the GnuPG (gpg) client 1.2.3 and earlier, and 1.3.3 and earlier, allows remote attackers or a malicious keyserver to cause a denial of service (crash) and possibly execute arbitrary code during key retrieval.

Frequently asked questions

What is CVE-2003-0978?
Format string vulnerability in gpgkeys_hkp (experimental HKP interface) for the GnuPG (gpg) client 1.2.3 and earlier, and 1.3.3 and earlier, allows remote attackers or a malicious keyserver to cause a denial of service (crash) and possibly execute arbitrary code during key retrieval.
How severe is CVE-2003-0978?
CVE-2003-0978 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0978 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0978?
CVE-2003-0978 primarily affects Gnu Privacy Guard. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0978?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2003-0978 published?
CVE-2003-0978 was published on 2004-01-05 and last updated on 2026-06-16.

References

Affected products (6)

More vulnerabilities in Gnu Privacy Guard

All CVEs affecting Gnu Privacy Guard →