CVE-2018-6332

Description

A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 settings which can cause the server to spend disproportionate resources. This affects all supported versions of HHVM (3.24.3 and 3.21.7 and below) when using the proxygen server to handle HTTP2 requests.

Categories

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.39%
Vendor Advisory hhvm.com
Affected: Facebook HHVM
Published at:
Updated at:

References

Link Tags
https://hhvm.com/blog/2018/03/15/hhvm-3.25.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-6332?
CVE-2018-6332 has been scored as a medium severity vulnerability.
How to fix CVE-2018-6332?
To fix CVE-2018-6332, 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-2018-6332 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-6332 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.
What software or system is affected by CVE-2018-6332?
CVE-2018-6332 affects Facebook HHVM.
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.