CVE-2023-52558

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:-:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_001:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_002:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_003:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_004:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_005:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_006:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_007:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_008:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_009:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_010:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_011:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_012:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_013:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_014:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_015:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_016:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_017:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_018:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.4:-:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.4:errata_001:*:*:*:*:*:*

History

10 Oct 2025, 17:36

Type Values Removed Values Added
References () https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/019_msplit.patch.sig - () https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/019_msplit.patch.sig - Patch
References () https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/002_msplit.patch.sig - () https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/002_msplit.patch.sig - Patch
References () https://github.com/openbsd/src/commit/7b4d35e0a60ba1dd4daf4b1c2932020a22463a89 - () https://github.com/openbsd/src/commit/7b4d35e0a60ba1dd4daf4b1c2932020a22463a89 - Patch
First Time Openbsd openbsd
Openbsd
CPE cpe:2.3:o:openbsd:openbsd:7.3:errata_003:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.4:errata_001:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_017:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_018:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_001:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_012:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_002:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_006:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_014:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_015:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_010:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_007:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_004:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_008:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_011:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_005:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_009:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:-:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_013:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.3:errata_016:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:7.4:-:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*

Information

Published : 2024-03-01 17:15

Updated : 2025-10-10 17:36


NVD link : CVE-2023-52558

Mitre link : CVE-2023-52558

CVE.ORG link : CVE-2023-52558


JSON object : View

Products Affected

openbsd

  • openbsd
CWE
CWE-131

Incorrect Calculation of Buffer Size