CVE-2022-2795 is a denial-of-service vulnerability affecting various versions of ISC BIND, as well as Debian and Fedora distributions. An unauthenticated remote attacker can exploit this flaw by flooding a target DNS resolver with specially crafted queries, significantly degrading its performance and denying legitimate clients access to DNS resolution services. With a CVSS score of 5.3 (Medium), this vulnerability has a low impact on availability and requires no user interaction or privileges. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 9.0.0, < 9.16.33CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* | ||
>= 9.18.0, < 9.18.7CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* | ||
>= 9.19.0, < 9.19.5CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* | ||
9.9.3CPE matchmatch criteria | cpe:2.3:a:isc:bind:9.9.3:s1:*:*:*:supported_preview:*:* | ||
9.9.3CPE matchmatch criteria | cpe:2.3:a:isc:bind:9.9.3:s1:*:*:supported_preview:*:*:* |
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:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2022-2795
Apr 9, 2024bind: processing large delegations may severely degrade resolver performance
Sep 21, 2022Processing large delegations may severely degrade resolver performance
Sep 13, 2022Processing large delegations may severely degrade resolver performance