CVE-2026-22791

MEDIUM

Opencryptoki - Buffer Overflow

Title source: rule
STIX 2.1

Description

openCryptoki is a PKCS#11 library and tools for Linux and AIX. In 3.25.0 and 3.26.0, there is a heap buffer overflow vulnerability in the CKM_ECDH_AES_KEY_WRAP implementation allows an attacker with local access to cause out-of-bounds writes in the host process by supplying a compressed EC public key and invoking C_WrapKey. This can lead to heap corruption, or denial-of-service.

Scores

CVSS v3 6.6
EPSS 0.0002
EPSS Percentile 4.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-131
Status published
Products (2)
opencryptoki_project/opencryptoki 3.25.0
opencryptoki_project/opencryptoki 3.26.0
Published Jan 13, 2026
Tracked Since Feb 18, 2026