High 8.4Published Jan 27, 2026

CVE-2026-24882In 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.

Updated under an hour ago (Oct 27, 2026, 8:10 AM ET)

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Exploited in the last 30 days

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: 8.4 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-121
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Modified
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

GnuPG GnuPG gnupg:gnupg (from the name)	before 2.5.17	CNA record
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	from 0:2.4.5-4.el10_1 not affected	CISA ADP
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support redhat:enterprise_linux_eus	from 0:2.4.5-2.el10_0.2 not affected	CISA ADP
gnupg gnupg gnupg:gnupg	from 2.5.13 before 2.5.17	NVD
gpg4win gpg4win gpg4win:gpg4win	from 5.0.0 before 5.0.1	NVD

References

References

https://www.openwall.com/lists/oss-security/2026/01/27/8	mailing-list, third-party-advisory
https://dev.gnupg.org/T8045	exploit, product
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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.