Vulnerability in Sfackler OpenSSL
CVE-2023-53159
The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.
EPSS: 0.003 (25.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L.
Affected products
- Sfackler Openssl — versions 0
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Exploit, Patch)
- cve@mitre.org (Product)
Frequently asked questions
- What is CVE-2023-53159?
- CVE-2023-53159 is a medium-severity vulnerability in Sfackler OpenSSL, classified under Buffer Over-read. CVSS score: 4.5/10. Published 2025-07-28.
- How severe is CVE-2023-53159?
- Medium severity. CVSS v3 base score is 4.5 out of 10.