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Vulnerability record · CVE-2026-24882 · published 27 January 2026

CVE-2026-24882: Gnupg stack-based buffer overflow vulnerability

Gnupg · Gnupg

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.

7.8 CVSS 3.1 High EPSS 0.44% · top 63.9% CWE-121 · Stack-based buffer overflow
7.8CVSS 3.1 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
7References, 1 tagged exploit
15 Jul 2026Last modified by NVD

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://dev.gnupg.org/T8045 ExploitProduct
https://www.openwall.com/lists/oss-security/2026/01/27/8 Mailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2026:2719
https://access.redhat.com/errata/RHSA-2026:2753
https://access.redhat.com/security/cve/CVE-2026-24882
https://bugzilla.redhat.com/show_bug.cgi?id=2433464
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24882.json

Track CVE-2026-24882 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-24882), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.