BIND Supported Preview Edition can exit with an assertion failure if ECS is in use
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.9epss 2.0%
exploitation probability
2.0%top 21% of all CVEs
observed exploitation
nono source reports it
An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
ISC · BIND 9 Supported Preview Edition