CVE-2014-5386

MEDIUM 5.0CVE-2014-5386 · Published 28/12/2014 · updated 17/06/2026

In short

CVE-2014-5386 is a MEDIUM (CVSS 5.0) vulnerability affecting hiphop virtual machine (facebook).
Chance of exploitation in the next 30 days (EPSS): 1.5%, higher than 74.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
hiphop virtual machine facebook	`≤ 3.2.0`	No fix yet

Description

The mcrypt_create_iv function in hphp/runtime/ext/mcrypt/ext_mcrypt.cpp in Facebook HipHop Virtual Machine (HHVM) before 3.3.0 does not seed the random number generator, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging the use of a single initialization vector.

References

facebook/hhvm commit ab6fdeb

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