Vulnerability · Published Jun 16, 2023 · Assigned by mitre
CVE-2023-35784
Critical 9.8
In plain English
A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)0.9%top 38.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 products (as reported)
References
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig
- 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://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54