CVE-2023-46728 is a Denial of Service (DoS) vulnerability affecting Squid caching proxy versions prior to 6.0.1, stemming from a NULL pointer dereference bug in its Gopher gateway. This critical flaw, rated 7.5 HIGH, can be triggered remotely without authentication by specially crafted Gopher responses, leading to service disruption. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered some community attention and media coverage, indicating awareness. Users are strongly advised to upgrade to Squid 6.0.1 or newer, or to reject all Gopher URL requests if an upgrade is not immediately feasible.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 6.0.1CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.