Red Hat Security Advisory: nss security and bug fix update

CVE-2020-6829 — nss: Side channel attack on ECDSA signature generation CVE-2020-12400 — nss: P-384 and P-521 implementation uses a side-channel vulnerable modular inversion function CVE-2020-12401 — nss: ECDSA timing attack mitigation bypass CVE-2020-12403 — nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read