CVE-2023-35784

CRITICAL

LibreSSL < 3.6.3 and 3.7.x < 3.7.3 - Use-After-Free in SSL_clear

Title source: llm
STIX 2.1

Description

A double free or use after free could occur after SSL_clear in OpenBSD 7.2 before errata 026 and 7.3 before errata 004, and in LibreSSL before 3.6.3 and 3.7.x before 3.7.3. NOTE: OpenSSL is not affected.

References (5)

Core 5

Scores

CVSS v3 9.8
EPSS 0.0016
EPSS Percentile 35.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-415 CWE-416
Status published
Products (3)
openbsd/libressl < 3.6.3
openbsd/openbsd 7.2
openbsd/openbsd 7.3
Published Jun 16, 2023
Tracked Since Feb 18, 2026