CVE-2023-53159

CRITICAL EPSS 24.6%
Published Jul 28, 202511mo ago · Modified Jun 17, 20262w ago
9.1 CVSS 3.1
Critical
Find Similar
Published Jul 28, 2025 11mo ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
9.1
Exploitability
3.9
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
24.6% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-126

Affected Products 1

VendorProductVersionRange
sfackleropenssl* <0.10.55

References 3

  • crates.io https://crates.io/crates/openssl
    Product
  • github.com https://github.com/sfackler/rust-openssl/issues/1965
    ExploitPatch
  • rustsec.org https://rustsec.org/advisories/RUSTSEC-2023-0044.html
    Third Party Advisory

Remediation

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