CVE-2023-53159

critical

Description

The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.

References

https://rustsec.org/advisories/RUSTSEC-2023-0044.html

https://github.com/sfackler/rust-openssl/issues/1965

https://crates.io/crates/openssl

Details

Source: Mitre, NVD

Published: 2025-07-28

Updated: 2025-08-07

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:C

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Severity: Critical

EPSS

EPSS: 0.00012