CVE-2017-5461: nss: Write beyond bounds caused by bugs in Base64 de/encoding in nssb64d.c and nssb64e.c (MFSA 2017-10)

Severity: Critical

CVSS Score: 9.8

Mozilla Network Security Services (NSS) before 3.21.4, 3.22.x through 3.28.x before 3.28.4, 3.29.x before 3.29.5, and 3.30.x before 3.30.1 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact by leveraging incorrect base64 operations.