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.

Published: 2004-01-05 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0978 is rated Moderate Risk (60.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.76%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2003-0978

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.12% 2.76% +0.64%
2 2025-03-30 3.13% 2.12% -1.02%
3 2025-03-29 — 3.13% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0978

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2003-0978

Affected software / configurations for CVE-2003-0978

Vendor Product Version Raw CPE
gnu privacy_guard 1.2 cpe:2.3:a:gnu:privacy_guard:1.2:*:*:*:*:*:*:*
gnu privacy_guard 1.2.1 cpe:2.3:a:gnu:privacy_guard:1.2.1:*:*:*:*:*:*:*
gnu privacy_guard 1.2.2 cpe:2.3:a:gnu:privacy_guard:1.2.2:*:*:*:*:*:*:*
gnu privacy_guard 1.2.2 cpe:2.3:a:gnu:privacy_guard:1.2.2:rc1:*:*:*:*:*:*
gnu privacy_guard 1.2.3 cpe:2.3:a:gnu:privacy_guard:1.2.3:*:*:*:*:*:*:*
gnu privacy_guard 1.3.3 cpe:2.3:a:gnu:privacy_guard:1.3.3:*:*:*:*:*:*:*

References for CVE-2003-0978

cvelogic Threat Intelligence