CVEvulnerability
CVE-2023-35784
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2023-06-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-415, CWE-416
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.
Affected configurations
• openbsd libressl (< 3.6.3)
• openbsd libressl (>= 3.7.0 < 3.7.3)
• openbsd openbsd 7.2
• openbsd openbsd 7.3
Related
References
- https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt Release Notes
- https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt Release Notes
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig Patch
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig Patch
- https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54 github.com
- https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt Release Notes
- https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt Release Notes
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig Patch
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig Patch
- https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54 github.com