#VU121274 Incorrect Calculation of Buffer Size in Opencryptoki - CVE-2026-22791
Published: January 13, 2026
Vulnerability identifier: #VU121274
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-22791
CWE-ID: CWE-131
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Opencryptoki
Opencryptoki
Software vendor:
Opencryptoki Project
Opencryptoki Project
Description
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary error within the CKM_ECDH_AES_KEY_WRAP implementation in ecdh_aes_key_wrap() function in usr/lib/common/mech_ec.c. A remote attacker can pass a specially crafted public EC key to the application and perform a denial of service attack.
Remediation
Install updates from vendor's website.