Security Advisory

CVE-2023-2911

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-06-21 16:26:36

Last updated 2025-02-13 16:49:00

Assigner isc

State PUBLISHED

Description

If the `recursive-clients` quota is reached on a BIND 9 resolver configured with both `stale-answer-enable yes;` and `stale-answer-client-timeout 0;`, a sequence of serve-stale-related lookups could cause `named` to loop and terminate unexpectedly due to a stack overflow. This issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.

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