vulnerability
Arch Linux: Denial of service (CVE-2021-25215)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Apr 29, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Apr 29, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
DNAME records, described in RFC 6672, provide a way to redirect a subtree of the domain name tree in the DNS. A flaw in the way "named" processes these records may trigger an attempt to add the same RRset to the ANSWER section more than once.
In BIND before version 9.16.14, when a vulnerable version of "named" receives a query for a record triggering the flaw described above, the "named" process will terminate due to a failed assertion check.
In BIND before version 9.16.14, when a vulnerable version of "named" receives a query for a record triggering the flaw described above, the "named" process will terminate due to a failed assertion check.
Solution
arch-linux-upgrade-latest
References
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