vulnerability
Arch Linux: Denial of service (CVE-2020-8618)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:L/Au:S/C:N/I:N/A:P) | Jun 17, 2020 | Jul 11, 2025 | Nov 27, 2025 |
Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
Jun 17, 2020
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
An assertion check in BIND before 9.16.4 (that is meant to prevent going beyond the end of a buffer when processing incoming data) can be incorrectly triggered by a large response during zone transfer. An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.
Solution
arch-linux-upgrade-latest
References
- CVE-2020-8618
- https://attackerkb.com/topics/CVE-2020-8618
- URL-http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
- URL-http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
- URL-https://downloads.isc.org/isc/bind9/9.16.4/doc/arm/html/notes.html#notes-for-bind-9-16-4
- URL-https://kb.isc.org/docs/cve-2020-8618
- URL-https://security.archlinux.org/ASA-202006-13
- URL-https://security.netapp.com/advisory/ntap-20200625-0003/
- URL-https://usn.ubuntu.com/4399-1/
- CWE-617
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