CVE-2014-5386

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.24%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/facebook/hhvm/commit/ab6fdeb84fb090b48606b6f7933028cfe7bf3a5e

Frequently Asked Questions

What is the severity of CVE-2014-5386?
CVE-2014-5386 has been scored as a medium severity vulnerability.
How to fix CVE-2014-5386?
To fix CVE-2014-5386, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-5386 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2014-5386 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.