SB2026011395 - Buffer overflow in Opencryptoki
Published: January 13, 2026
Security Bulletin ID
SB2026011395
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect Calculation of Buffer Size (CVE-ID: CVE-2026-22791)
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 update from vendor's website.