CVE-2018-6340

Published: Dec 31, 2018

Modified: May 6, 2025

PUBLISHED

Description

The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).

Vendor	Product	Versions
Facebook	HHVM	affected `3.30.1` affected `3.30.0 - < unspecified` affected `3.27.5` affected `unspecified - < 3.27.5`

Weaknesses (CWE)

CWE-125

References

https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html

x_refsource_MISC

https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3

x_refsource_MISC

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CVE-2018-6340

Description

Affected Products

Weaknesses (CWE)

References