Incorrect Type Conversion or Cast Affecting openssl package, versions >=0.9.24 <0.10.79
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RUST-OPENSSL-16425770
- published6 May 2026
- disclosed5 May 2026
- creditUnknown
Introduced: 5 May 2026
CVE-2026-42327 (opens in a new tab)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.