Vulnerabilities > CVE-2023-35784 - Use After Free vulnerability in Openbsd Libressl and Openbsd

CVSS 9.8 - CRITICAL

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

network

low complexity

openbsd

CWE-416

critical

NVD

Published: 2023-06-16

Updated: 2024-11-21

Summary

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.

Vulnerable Configurations

Part	Description	Count
OS	Openbsd Openbsd Openbsd 7.2 Openbsd Openbsd 7.3	2
Application	Openbsd Openbsd Libressl 3.7.0 Openbsd Libressl 3.7.1 Openbsd Libressl 3.7.2 Openbsd Libressl - Openbsd Libressl 2.0.0 Openbsd Libressl 2.0.1 Openbsd Libressl 2.0.2 Openbsd Libressl 2.0.3 Openbsd Libressl 2.0.4 Openbsd Libressl 2.0.5 Openbsd Libressl 2.0.6 Openbsd Libressl 2.1.0 Openbsd Libressl 2.1.1 Openbsd Libressl 2.1.2 Openbsd Libressl 2.1.3 Openbsd Libressl 2.1.4 Openbsd Libressl 2.1.5 Openbsd Libressl 2.1.6 Openbsd Libressl 2.1.7 Openbsd Libressl 2.1.8 Openbsd Libressl 2.1.9 Openbsd Libressl 2.1.10 Openbsd Libressl 2.2.0 Openbsd Libressl 2.2.1 Openbsd Libressl 2.2.2 Openbsd Libressl 2.2.3 Openbsd Libressl 2.2.4 Openbsd Libressl 2.2.5 Openbsd Libressl 2.2.6 Openbsd Libressl 2.2.7 Openbsd Libressl 2.2.8 Openbsd Libressl 2.2.9 Openbsd Libressl 2.3.0 Openbsd Libressl 2.3.1 Openbsd Libressl 2.3.2 Openbsd Libressl 2.3.3 Openbsd Libressl 2.3.4 Openbsd Libressl 2.3.5 Openbsd Libressl 2.3.6 Openbsd Libressl 2.3.7 Openbsd Libressl 2.3.8 Openbsd Libressl 2.3.9 Openbsd Libressl 2.3.10 Openbsd Libressl 2.4.0 Openbsd Libressl 2.4.1 Openbsd Libressl 2.4.2 Openbsd Libressl 2.4.3 Openbsd Libressl 2.4.4 Openbsd Libressl 2.4.5 Openbsd Libressl 2.5.0 Openbsd Libressl 2.5.1 Openbsd Libressl 2.5.2 Openbsd Libressl 2.5.3 Openbsd Libressl 2.5.4 Openbsd Libressl 2.5.5 Openbsd Libressl 2.6.0 Openbsd Libressl 2.6.1 Openbsd Libressl 2.6.2 Openbsd Libressl 2.6.3 Openbsd Libressl 2.6.4 Openbsd Libressl 2.6.5 Openbsd Libressl 2.7.0 Openbsd Libressl 2.7.1 Openbsd Libressl 2.7.2 Openbsd Libressl 2.7.3 Openbsd Libressl 2.7.4 Openbsd Libressl 2.7.5 Openbsd Libressl 2.8.0 Openbsd Libressl 2.8.1 Openbsd Libressl 2.8.2 Openbsd Libressl 2.8.3 Openbsd Libressl 2.9.0 Openbsd Libressl 2.9.1 Openbsd Libressl 2.9.2 Openbsd Libressl 3.0.0 Openbsd Libressl 3.0.1 Openbsd Libressl 3.0.2 Openbsd Libressl 3.1.0 Openbsd Libressl 3.1.1 Openbsd Libressl 3.1.2 Openbsd Libressl 3.1.3 Openbsd Libressl 3.1.4 Openbsd Libressl 3.1.5 Openbsd Libressl 3.2.0 Openbsd Libressl 3.2.1 Openbsd Libressl 3.2.2 Openbsd Libressl 3.2.3 Openbsd Libressl 3.2.4 Openbsd Libressl 3.2.5 Openbsd Libressl 3.2.6 Openbsd Libressl 3.3.0 Openbsd Libressl 3.3.1 Openbsd Libressl 3.3.2 Openbsd Libressl 3.3.3 Openbsd Libressl 3.3.4 Openbsd Libressl 3.3.6 Openbsd Libressl 3.4.0 Openbsd Libressl 3.4.1 Openbsd Libressl 3.4.2 Openbsd Libressl 3.4.3 Openbsd Libressl 3.5.0 Openbsd Libressl 3.5.1 Openbsd Libressl 3.5.2 Openbsd Libressl 3.5.3 Openbsd Libressl 3.5.4 Openbsd Libressl 3.6.0 Openbsd Libressl 3.6.1 Openbsd Libressl 3.6.2	108

Common Weakness Enumeration (CWE)

CWE-416 - Use After Free

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References