vulnerability
ISC BIND: Attempting QNAME minimization after forwarding can lead to an assertion failure in resolver.c (CVE-2020-8621)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:N/A:P) | Aug 21, 2020 | Sep 8, 2020 | Aug 11, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
Aug 21, 2020
Added
Sep 8, 2020
Modified
Aug 11, 2025
Description
In BIND 9.14.0 -> 9.16.5, 9.17.0 -> 9.17.3, If a server is configured with both QNAME minimization and 'forward first' then an attacker who can send queries to it may be able to trigger the condition that will cause the server to crash. Servers that 'forward only' are not affected.
Solution
upgrade-isc-bind-latest
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