CVE-2022-40188
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 1.6%
exploitation probability
1.6%top 27% of all CVEs
observed exploitation
nono source reports it
Knot Resolver before 5.5.3 allows remote attackers to cause a denial of service (CPU consumption) because of algorithmic complexity. During an attack, an authoritative server must return large NS sets or address sets.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
n/a · n/aReferences
https://gitlab.nic.cz/knot/knot-resolver/-/merge_requests/1343#note_262558https://lists.debian.org/debian-lts-announce/2022/10/msg00008.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIMDNIUI7GTUEKIBBYYW7OCTJQFPDNXL/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2VE5K3VDUHJOIA2IGT3G5R76IBADMNE/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XO6LIVQS62MI5GG4OVYB5RHVZMYNHAHG/