CVE-2022-2795
Processing large delegations may severely degrade resolver performance
MEDIUM 5.3EPSS 2.2%
By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.
- Affected
- ISC · BIND9
- CVSS v3.1 NVD
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - EPSS
- 2.21% chance of exploitation in the next 30 days, 82nd percentile
- Published
- 2022-09-21
- Updated
- 2024-11-29
Proof-of-concept exploits (1)
- grcmcdvtt/repro-DNS1★ · 2024-08-19
Security advisories
- https://kb.isc.org/docs/cve-2022-2795
- http://www.openwall.com/lists/oss-security/2022/09/21/3
- https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
- https://security.gentoo.org/glsa/202210-25
- https://www.debian.org/security/2022/dsa-5235