Incorrect Type Conversion or Cast Affecting openssl package, versions >=0.9.24 <0.10.79
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Test your applications- Snyk IDSNYK-RUST-OPENSSL-16425770
- published6 May 2026
- disclosed5 May 2026
- creditUnknown
Introduced: 5 May 2026
NewCVE-2026-42327 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade openssl to version 0.10.79 or higher.
Overview
openssl is a bindings for the Rust programming language.
Affected versions of this package are vulnerable to Incorrect Type Conversion or Cast in the X509Ref::ocsp_responders function. An attacker can trigger undefined behavior by providing a certificate with non-UTF-8 bytes in the OCSP accessLocation, which leads to the construction of a &str that violates the UTF-8 invariant.