Processing large delegations may severely degrade resolver performance
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 2.2%
exploitation probability
2.2%top 18% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
ISC · BIND9References
https://kb.isc.org/docs/cve-2022-2795https://lists.debian.org/debian-lts-announce/2022/10/msg00007.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/https://security.gentoo.org/glsa/202210-25https://security.netapp.com/advisory/ntap-20241129-0002/https://www.debian.org/security/2022/dsa-5235http://www.openwall.com/lists/oss-security/2022/09/21/3