CVE-2018-6340

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).

Score

CVSS 3.1 8.1 High

Status

Modified - cve-assign@fb.com

Published

2018-12-31

Last modified

2025-05-06

Weaknesses

CWE-125

Affected products

• Hhvm (Facebook)

References

• https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3
• https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html