CVE-2026-24882

high

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.

References

https://www.openwall.com/lists/oss-security/2026/01/27/8

https://thehackernews.com/2026/03/openai-codex-security-scanned-12.html

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24882.json

https://dev.gnupg.org/T8045

https://bugzilla.redhat.com/show_bug.cgi?id=2433464

https://access.redhat.com/security/cve/CVE-2026-24882

https://access.redhat.com/errata/RHSA-2026:2753

https://access.redhat.com/errata/RHSA-2026:2719

Details

Source: Mitre, NVD

Published: 2026-01-27

Updated: 2026-06-30

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00005