CVE-2026-41898

A flaw was found in rust-openssl, a library providing OpenSSL bindings for the Rust programming language. Foreign Function Interface FFI trampolines in several SslContextBuilder callbacks did not properly validate the size of data returned by user-defined closures before passing it to OpenSSL. Th...

CVE-2026-41898: Buffer Over-read

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.24 to before 0.10.78, the FFI trampolines behind SslContextBuilder::setpskclientcallback, setpskservercallback, setcookiegeneratecb, and setstatelesscookiegeneratecb forwarded the user closure's returned usize...