MEDIUM 4.5 Microsoft
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.
Microsoft Security Update 2025-Jul: The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.
Affected Products
- cbl2 rpm-ostree 2022.1-7 on CBL Mariner 2.0
- azl3 rust 1.75.0-16 on Azure Linux 3.0
- azl3 rust 1.86.0-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-53159
- https://nvd.nist.gov/vuln/detail/CVE-2023-53159
This medium severity vulnerability with a CVSS score of 4.5 was published on 2025-07-08 via Microsoft. Affected: cbl2 rpm-ostree 2022.1-7 on CBL Mariner 2.0, azl3 rust 1.75.0-16 on Azure Linux 3.0, azl3 rust 1.86.0-3 on Azure Linux 3.0.
vulnfeed aggregates 9166 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.