CVE-2026-24882

Publication date 27 January 2026

Last updated 29 January 2026

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gnupg2	25.10 questing	Vulnerable
	24.04 LTS noble	Vulnerable
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
gnupg2	Upstream: https://dev.gnupg.org/rG93fa34d9a346020355cd51d54102d30d4f177323 Upstream: 93fa34d

Severity score breakdown

Parameter	Value
Base score	8.4 · High
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Other references