Missing `Sync` bound on `PyCFunction::new_closure` closures

PyCFunction::newclosure and the temporary newclosurebound complement in the 0.21–0.22 series required the supplied closure to be Send + 'static but not Sync. The resulting PyCFunction is a Python callable that can be invoked from any Python thread, which means the closure may be called concurrent...

SUSE-SU-2026:21431-1 Security update for python-PyNaCl

This update for python-PyNaCl fixes the following issues: Security fixes: - CVE-2025-69277: incorrect validation of elliptic curve points certain custom cryptography or untrusted data to cryptocoreed25519isvalidpoint function bsc1255764. Other fixes: - update to 1.6.2 bsc1255764, CVE-2025-69277:...