The CERT_VerifyCert function in lib/certhigh/certvfy.c in Mozilla Network Security Services (NSS) 3.15 before 3.15.3 provides an unexpected return value for an incompatible key-usage certificate when the CERTVerifyLog argument is valid, which might allow remote attackers to bypass intended access restrictions via a crafted certificate.
Exploitability
AV:NAC:MAu:NImpact
C:PI:PA:N5.8/AV:N/AC:M/Au:N/C:P/I:P/A:N