Input validation error in OpenBSD - #VU131173

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Main Vulnerability Database Vulnerabilities #VU131173

Input validation error in OpenBSD - #VU131173

Published: May 12, 2026


Vulnerability identifier: #VU131173
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenBSD
Affected software:
OpenBSD

Detailed vulnerability description

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper input validation in ikev2_print_id in iked(8) when processing IKEv2 identity address data. A remote attacker can send a specially crafted IKEv2 message to cause a denial of service.


Remediation

Install security update from vendor's website.

Sources