Format string vulnerability in gpgkeys_hkp (experimental HKP interface) for the GnuPG…
Priority LOW 38Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.02829 86th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:privacy_guard:1.2:*:*:*:*:*:*:* | 1.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:privacy_guard:1.2.1:*:*:*:*:*:*:* | 1.2.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:privacy_guard:1.2.2:*:*:*:*:*:*:* | 1.2.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:privacy_guard:1.2.2:rc1:*:*:*:*:*:* | 1.2.2 rc1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:privacy_guard:1.2.3:*:*:*:*:*:*:* | 1.2.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:privacy_guard:1.3.3:*:*:*:*:*:*:* | 1.3.3 | Vulnerable | GNU |
- cpe:2.3:a:gnu:privacy_guard:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:privacy_guard:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:privacy_guard:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:privacy_guard:1.2.2:rc1:*:*:*:*:*:* Versions 1.2.2 rc1 Vulnerable ·GNU
- cpe:2.3:a:gnu:privacy_guard:1.2.3:*:*:*:*:*:*:* Versions 1.2.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:privacy_guard:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·GNU
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0978
- 2026-10-03 Alias added: GHSA-chjf-v68x-qx8j
References
More GNU Privacy Guard vulnerabilities
- TI-2006-05999 A "stack overwrite" vulnerability in GnuPG (gpg) 1.x before 1.4.6, 2.x before 2.0.2, and… CVSS 2.0HIGH 10.0
- TI-2003-00236 The key validation code in GnuPG before 1.2.2 does not properly determine the validity of… CVSS 2.0HIGH 10.0
- TI-2001-00511 Format string vulnerability in Gnu Privacy Guard (aka GnuPG or gpg) 1.05 and earlier can… CVSS 2.0HIGH 7.5
- TI-2000-00964 GnuPG (gpg) 1.0.3 does not properly check all signatures of a file containing multiple… CVSS 2.0HIGH 7.5
- TI-2003-00877 GnuPG (GPG) 1.0.2, and other versions up to 1.2.3, creates ElGamal type 20 (sign+encrypt)… CVSS 2.0MEDIUM 5.0
- TI-2006-00044 gpg in GnuPG before 1.4.2.2 does not properly verify non-detached signatures, which… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2003-0978 · CVE Program
- CVE-2003-0978 · NVD
- FIRST EPSS
- GHSA-chjf-v68x-qx8j · GitHub Advisory Database · CC BY 4.0
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