CVE-2016-3948 is a denial-of-service vulnerability affecting Squid 3.x before 3.5.16 and 4.x before 4.0.8, stemming from improper bounds checking when processing crafted HTTP Vary headers. This high-severity vulnerability (CVSS 7.5) can be exploited remotely without authentication, leading to a complete denial of service for affected Squid proxy servers. Despite its high risk score and potential impact, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:3.0:*:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:3.0:-:pre1:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:3.0:-:pre2:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:3.0:-:pre3:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:3.0:-:pre4:*:*:*:*:* |
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.