CVE-2023-52557

HIGH

OpenBSD <7.3 - DoS

Title source: llm
STIX 2.1

Description

In OpenBSD 7.3 before errata 016, npppd(8) could crash by a l2tp message which has an AVP (Attribute-Value Pair) with wrong length.

Scores

CVSS v3 7.5
EPSS 0.0006
EPSS Percentile 20.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-131 CWE-805
Status published
Products (2)
openbsd/openbsd 7.3 (16 CPE variants)
openbsd/openbsd < 7.3
Published Mar 01, 2024
Tracked Since Feb 18, 2026