CVE-2018-6340 describes an out-of-bounds read vulnerability within the Memcache::getextendedstats function affecting all supported versions of HHVM (3.30 and 3.27.4 and below). This high-severity vulnerability (CVSS 8.1) requires an attacker to control memcached server hostnames or ports, but if exploited, could lead to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.27.4CPE matchmatch criteria | cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* | ||
3.30CPE matchmatch criteria | cpe:2.3:a:facebook:hhvm:3.30:*:*:*:*:*:*:* | ||
< 3.27.5CPE match | cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.