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Vulnerability record · CVE-2003-0978 · published 5 January 2004

CVE-2003-0978: Gnu privacy guard vulnerability

Gnu · Privacy Guard

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.

7.5 CVSS 2.0 High EPSS 2.8% · top 14.3%
7.5CVSS 2.0 base score
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://marc.info/?l=bugtraq&m=107047470625214&w=2
http://www.novell.com/linux/security/advisories/2003_048_gpg.html
http://www.s-quadra.com/advisories/Adv-20031203.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/13892
http://marc.info/?l=bugtraq&m=107047470625214&w=2
http://www.novell.com/linux/security/advisories/2003_048_gpg.html
http://www.s-quadra.com/advisories/Adv-20031203.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/13892

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2006-6235Gnu privacy guard vulnerabilityA "stack overwrite" vulnerability in GnuPG (gpg) 1.x before 1.4.6, 2.x before 2.0.2, and 1.9.0 through 1.9.95 allows attackers to execute arbitrary c…EPSS 5.9%10.0CVE-2003-0255Gnu privacy guard vulnerabilityThe key validation code in GnuPG before 1.2.2 does not properly determine the validity of keys with multiple user IDs and assigns the greatest validi…EPSS 6.6%7.5CVE-2001-0522Gnu privacy guard vulnerabilityFormat string vulnerability in Gnu Privacy Guard (aka GnuPG or gpg) 1.05 and earlier can allow an attacker to gain privileges via format strings in t…EPSS 14%7.5CVE-2000-0974Gnu privacy guard vulnerabilityGnuPG (gpg) 1.0.3 does not properly check all signatures of a file containing multiple documents, which allows an attacker to modify contents of all …EPSS 3.0%5.0CVE-2006-0049Gnu privacy guard vulnerabilitygpg in GnuPG before 1.4.2.2 does not properly verify non-detached signatures, which allows attackers to inject unsigned data via a data packet that i…EPSS 2.4%5.0CVE-2003-0971Gnu privacy guard vulnerabilityGnuPG (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 sig…EPSS 2.9%5.0CVE-2001-0072Gnu privacy guard vulnerabilitygpg (aka GnuPG) 1.0.4 and other versions imports both public and private keys from public key servers without notifying the user about the private ke…EPSS 2.0%4.6CVE-2006-0455Gnu privacy guard vulnerabilitygpgv in GnuPG before 1.4.2.1, when using unattended signature verification, returns a 0 exit code in certain cases even when the detached signature f…EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2003-0978), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.