CVE-2023-52558

HIGH

OpenBSD <7.4-7.3 - Buffer Overflow

Title source: llm
STIX 2.1

Description

In OpenBSD 7.4 before errata 002 and OpenBSD 7.3 before errata 019, a network buffer that had to be split at certain length that could crash the kernel after receiving specially crafted escape sequences.

Scores

CVSS v3 7.5
EPSS 0.0007
EPSS Percentile 21.8%
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
Status published
Products (3)
openbsd/openbsd 7.3 (19 CPE variants)
openbsd/openbsd 7.4 (2 CPE variants)
openbsd/openbsd < 7.3
Published Mar 01, 2024
Tracked Since Feb 18, 2026