CVE-2022-27881

PoC —

CVSS 3.1

7.5 high

EPSS

2%p79

Published

Mar 25, 2022 (Mar 25, 2022)

Modified

Jun 17, 2026

Description

engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation.

Vendors: openbsd
Products: openbsd
Weakness: CWE-120
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.9%)

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