CVE-2026-41989

Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

CVSS v3 6.7 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.4 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://dev.gnupg.org/T8211	Broken Link
https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html	Third Party Advisory
https://www.openwall.com/lists/oss-security/2026/04/21/1	Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
https://cert-portal.siemens.com/productcert/html/ssa-457936.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gnupg:libgcrypt::::::::
	cpe:2.3:a:gnupg:libgcrypt::::::::
	cpe:2.3:a:gnupg:libgcrypt::::::::

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Libgcrypt antes de 1.12.2 a veces permite un desbordamiento de búfer basado en montículo y denegación de servicio a través de texto cifrado ECDH manipulado a gcry_pk_decrypt.

15 Oct 2026, 02:19

Type	Values Removed	Values Added
References		() https://cert-portal.siemens.com/productcert/html/ssa-457936.html -

Information

Published : 2026-04-23 05:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-41989

Mitre link : CVE-2026-41989

CVE.ORG link : CVE-2026-41989

JSON object : View

Products Affected

gnupg

libgcrypt

CWE

CWE-787

Out-of-bounds Write

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