The Public Key Pinning (PKP) implementation in Mozilla Firefox before
33.0 does not properly consider the connection-coalescing behavior of
SPDY and HTTP/2 in the case of a shared IP address, which allows
man-in-the-middle attackers to bypass an intended pinning
configuration and spoof a web site by providing a valid certificate
from an arbitrary recognized Certification Authority.
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disclosed, or updated in CVE.
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