Vulnerability 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.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openbsd | < 7.3 |
Related Weaknesses (CWE)
References
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/019_msplit.patch.sigPatch
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/002_msplit.patch.sigPatch
- https://github.com/openbsd/src/commit/7b4d35e0a60ba1dd4daf4b1c2932020a22463a89Patch
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/019_msplit.patch.sigPatch
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/002_msplit.patch.sigPatch
- https://github.com/openbsd/src/commit/7b4d35e0a60ba1dd4daf4b1c2932020a22463a89Patch
FAQ
What is CVE-2023-52558?
CVE-2023-52558 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 sequenc...
How severe is CVE-2023-52558?
CVE-2023-52558 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-52558?
Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openbsd.