Buffer overflow in Gnupg
CVE-2026-24882
In GnuPG before 2.5.17, a stack-based buffer overflow exists in tpm2daemon during handling of the PKDECRYPT command for TPM-backed RSA and ECC keys.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (32.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- cve@mitre.org (Mailing List, Third Party Advisory)
- cve@mitre.org (Product, Exploit)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-24882?
- CVE-2026-24882 is a high-severity vulnerability in Gnupg, classified under Stack-based Buffer Overflow. CVSS score: 8.4/10. Published 2026-01-27.
- How severe is CVE-2026-24882?
- High severity. CVSS v3 base score is 8.4 out of 10.