CVE-2023-52558CWE-131

OpenBSD 7.4 and 7.3 m_split() network buffer kernel crash

High · published March 1, 2024

CVSS v3.1
7.5
EPSS
1%
Percentile
52.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00702 · 52.7th percentile
Weakness
CWE-131 · Incorrect Calculation of Buffer Size
Published
2024-03-01T16:33Z
EPSS history
Timeline
  • 01 MAR 16:33Z
    OpenBSD 7.4 and 7.3 m_split() network buffer kernel crash
    cvelistv5