CVE-2016-4555 is a denial-of-service vulnerability affecting Squid 3.x before 3.5.18 and 4.x before 4.0.10, allowing remote servers to crash the proxy via crafted Edge Side Includes (ESI) responses. With a CVSS score of 7.5 (High), it can be exploited remotely with low complexity, requiring no user interaction or privileges, leading to a complete loss of availability. Despite its high severity and FAUCET Risk Score of 98/100, there is no evidence of active exploitation, public exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:3.0:*:*:*:*:*:*:* | ||
3.1CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:3.1:*:*:*:*:*:*:* | ||
3.1.0.1CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:3.1.0.1:*:*:*:*:*:*:* | ||
3.1.0.2CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:3.1.0.2:*:*:*:*:*:*:* | ||
3.1.0.3CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:3.1.0.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.