OpenBSD Libressl Vulnerabilities

Openbsd Libressl vulnerabilities.

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28 October 2026

Memory Exhaustion Vulnerability in LibreSSL OCSP Check Feature
CVE-2026-118374
OpenBSDLibressl8.2HIGH
Cleartext Transmission Vulnerability in LibreSSL OCSPCheck by OpenBSD
CVE-2026-118373
OpenBSDLibressl6.3MEDIUM
CRLF Injection Vulnerability in LibreSSL's ocspcheck Tool
CVE-2026-118372
OpenBSDLibressl6.3MEDIUM
CRLF Injection Vulnerability in LibreSSL Affected by Unvalidated Request Paths
CVE-2026-118371
OpenBSDLibressl6.3MEDIUM

16 June 2023

Double Free Vulnerability in OpenBSD and LibreSSL Products
CVE-2023-35784
OpenBSDOpenBSD9.8CRITICAL

15 April 2023

Authentication Bypass in LibreSSL and OpenBSD Products
CVE-2021-46880
OpenBSDOpenBSD9.8CRITICAL

12 April 2023

Leaf Certificate Verification Flaw in LibreSSL and OpenBSD
CVE-2022-48437
OpenBSDOpenBSD5.3MEDIUM

24 September 2021

Stack-based Buffer Over-read Vulnerability in LibreSSL Library
CVE-2021-41581
OpenBSDLibressl5.5MEDIUM

1 July 2021

15 June 2018

Memory-Cache Vulnerability in LibreSSL by OpenBSD
CVE-2018-12434
OpenBSDLibressl4.7MEDIUM

24 March 2018

Hostname Verification Vulnerability in LibreSSL by OpenBSD
CVE-2018-8970
OpenBSDLibressl👾🟡7.4HIGH

27 April 2017

TLS Certificate Verification Flaw in LibreSSL Affects NGINX
CVE-2017-8301
OpenBSDLibressl5.3MEDIUM

29 December 2014

Double Free Vulnerability in LibreSSL Affects Remote DTLS Handshake
CVE-2014-9424
OpenBSDLibressl