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Test your applicationsUpgrade Alpine:3.19
bind
to version 9.18.33-r0 or higher.
Note: Versions mentioned in the description apply only to the upstream bind
package and not the bind
package as distributed by Alpine
.
See How to fix?
for Alpine:3.19
relevant fixed versions and status.
Clients using DNS-over-HTTPS (DoH) can exhaust a DNS resolver's CPU and/or memory by flooding it with crafted valid or invalid HTTP/2 traffic. This issue affects BIND 9 versions 9.18.0 through 9.18.32, 9.20.0 through 9.20.4, 9.21.0 through 9.21.3, and 9.18.11-S1 through 9.18.32-S1.