1. Home
  2. CVE Database
  3. CVE-2026-24882
HIGH · 8.4

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 Description

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.

CVSS Score

8.4

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
GnupgGnupg>= 2.5.13, < 2.5.17
Gpg4WinGpg4Win>= 5.0.0, < 5.0.1

Related Weaknesses (CWE)

CWE-121

References

FAQ

What is CVE-2026-24882?

CVE-2026-24882 is a vulnerability with a CVSS score of 8.4 (HIGH). 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.

How severe is CVE-2026-24882?

CVE-2026-24882 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-24882?

Check the references section above for vendor advisories and patch information. Affected products include: Gnupg Gnupg, Gpg4Win Gpg4Win.