CVE-2023-52558

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/1/2024

Last Modified10/10/2025

Sourcenvd

Honeypot Sightings0

Affected Products

openbsd:openbsd

Weaknesses (CWE)

CWE-131

References

https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/019_msplit.patch.sig(9119a7d8-5eab-497f-8521-727c672e3725)

https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/002_msplit.patch.sig(9119a7d8-5eab-497f-8521-727c672e3725)

https://github.com/openbsd/src/commit/7b4d35e0a60ba1dd4daf4b1c2932020a22463a89(9119a7d8-5eab-497f-8521-727c672e3725)

https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/019_msplit.patch.sig(af854a3a-2127-422b-91ae-364da2661108)

https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/002_msplit.patch.sig(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/openbsd/src/commit/7b4d35e0a60ba1dd4daf4b1c2932020a22463a89(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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