vulnerability
Arch Linux: Denial of service (CVE-2018-16853)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:N/A:P) | Nov 28, 2018 | Jul 11, 2025 | Nov 27, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
Nov 28, 2018
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A denial of service has been found in samba from 4.7.0 up to and including 4.9.2, where a user in a Samba AD domain can crash the MIT KDC by requesting an S4U2Self ticket. This only happens if Samba is build in a experimental and unsupported MIT Kerberos configuration.
Solution
arch-linux-upgrade-latest
References
- CVE-2018-16853
- https://attackerkb.com/topics/CVE-2018-16853
- URL-http://www.securityfocus.com/bid/106026
- URL-https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16853
- URL-https://download.samba.org/pub/samba/patches/security/samba-4.9.2-security-2018-11-27.patch
- URL-https://security.archlinux.org/ASA-201811-22
- URL-https://security.gentoo.org/glsa/202003-52
- URL-https://security.netapp.com/advisory/ntap-20181127-0001/
- URL-https://www.samba.org/samba/security/CVE-2018-16853.html
- CWE-400
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.