Facebook Patches “Memory Disclosure Using JPEG Images” Flaws in HHVM Servers

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By [email protected] (Wang Wei) Facebook has patched two high-severity vulnerabilities in its server application that could have allowed remote attackers to unauthorisedly obtain sensitive information or cause a denial of service just by uploading a maliciously constructed JPEG image file.

The vulnerabilities reside in HHVM (HipHop Virtual Machine)—a high-performance, open source virtual machine developed by Facebook for

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