Description
Race condition in the ns_client structure management in ISC BIND 9.9.x before 9.9.1-P2 allows remote attackers to cause a denial of service (memory consumption or process exit) via a large volume of TCP queries.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | bind | 9.10.3P4-21.1 | openSUSE-SU-2024:10467-1 |
Advisories 1
- openSUSE-SU-2024:10467-1 bind-9.10.3P4-21.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- SSA:2012-341-01 vendor-advisory
- https://kb.isc.org/article/AA-00730