Out-of-Bounds Read Vulnerability in OpenSSL Crate for Rust by RustLang
CVE-2023-53159

4.5MEDIUM

Key Information:

Vendor

Sfackler

Status
Vendor
CVE Published:
28 July 2025

What is CVE-2023-53159?

The OpenSSL crate prior to version 0.10.55 contains a vulnerability that enables an out-of-bounds read when an empty string is passed to the X509VerifyParamRef::set_host function. This flaw poses potential security risks by allowing unintended data access, highlighting the importance of updating to secure versions to mitigate possible exploitation.

Affected Version(s)

openssl 0 < 0.10.55

References

CVSS V3.1

Score:
4.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.