vulnerability
Arch Linux: Denial of service (CVE-2019-11494)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | May 8, 2019 | Jul 11, 2025 | Nov 27, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
May 8, 2019
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
Submission-login crashes with signal 11 due to null pointer access when authentication is aborted by disconnecting. This can lead to denial-of service attack by persistent attacker(s).
Solution
arch-linux-upgrade-latest
References
- CVE-2019-11494
- https://attackerkb.com/topics/CVE-2019-11494
- URL-http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html
- URL-http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html
- URL-https://dovecot.org/doc/NEWS-2.3
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
- URL-https://security.archlinux.org/ASA-201905-6
- URL-https://www.dovecot.org/download.html
- URL-https://www.dovecot.org/security.html
- CWE-476
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