CVE-2026-42014: fix use-after-free and leak in gnutls_pkcs11_token_set_pin when
changing the Security Officer PIN with oldpin == NULL on a token lacking a
protected authentication path
CVE-2026-42015: fix off-by-one bounds check in gnutls_pkcs12_bag_set_data that
allowed writing past the 32-element PKCS#12 bag array when appending to an
imported bag already holding the maximum number of elements