| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | = 30.0= 31.0= 31.1.0≤ 32.0 |
The Public Key Pinning (PKP) implementation in Mozilla Firefox before 33.0 skips pinning checks upon an unspecified issuer-verification error, which makes it easier for remote attackers to bypass an intended pinning configuration and spoof a web site via a crafted certificate that leads to presentation of the Untrusted Connection dialog to the user.
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