CVE-2023-35784

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve@mitre.org

Published

2023-06-16

Last modified

2024-12-17

Weaknesses

CWE-415, CWE-416

Affected products

• Libressl (Openbsd)
• Openbsd (Openbsd)

References

• https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt
• https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt
• https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig
• https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig
• https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54