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.

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://dev.gnupg.org/T8045	Exploit Product
https://www.openwall.com/lists/oss-security/2026/01/27/8	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gnupg:gnupg:::::-:::*
	cpe:2.3:a:gpg4win:gpg4win::::::::

History

17 Jun 2026, 10:23

Type	Values Removed	Values Added
Summary		(es) En GnuPG anterior a 2.5.17, existe un desbordamiento de búfer basado en pila en tpm2daemon durante el manejo del comando PKDECRYPT para claves RSA y ECC respaldadas por TPM.

06 Feb 2026, 17:50

Type	Values Removed	Values Added
CPE		cpe:2.3:a:gnupg:gnupg:::::-:::* cpe:2.3:a:gpg4win:gpg4win::::::::
First Time		Gnupg gnupg Gpg4win Gnupg Gpg4win gpg4win
References	~~() https://dev.gnupg.org/T8045 -~~	() https://dev.gnupg.org/T8045 - Exploit, Product
References	~~() https://www.openwall.com/lists/oss-security/2026/01/27/8 -~~	() https://www.openwall.com/lists/oss-security/2026/01/27/8 - Mailing List, Third Party Advisory

27 Jan 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-27 19:16

Updated : 2026-06-17 10:23

NVD link : CVE-2026-24882

Mitre link : CVE-2026-24882

CVE.ORG link : CVE-2026-24882

JSON object : View

Products Affected

gpg4win

gpg4win

gnupg

gnupg

CWE

CWE-121

Stack-based Buffer Overflow

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