A security issue has been reported in PHP, which can be exploited by malicious people to conduct spoofing attacks.
The security issue is caused due to the SSL module not properly handling NULL bytes inside "subjectAltNames" general names in the server SSL certificate. This can be exploited to spoof the server via a MitM (Man-in-the-Middle) attack and subsequently e.g. disclose potentially sensitive information.
The security issue is reported in versions 5.3.27 and prior, versions 5.4.18 and prior, and versions 5.5.2 and prior.
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