7.5
CVSSv3

CVE-2019-11494

Published: 08/05/2019 Updated: 07/11/2023
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

In the IMAP Server in Dovecot 2.3.3 up to and including 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

dovecot dovecot

fedoraproject fedora 29

fedoraproject fedora 30

opensuse leap 15.0

opensuse leap 15.1

Vendor Advisories

Dovecot could be made to crash if it received specially crafted network traffic ...
Debian Bug report logs - #928235 dovecot: CVE-2019-11494 CVE-2019-11499 Package: src:dovecot; Maintainer for src:dovecot is Dovecot Maintainers <dovecot@packagesdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Tue, 30 Apr 2019 14:03:02 UTC Severity: grave Tags: security, upstream Found in ve ...
Impact: Moderate Public Date: 2019-04-30 CWE: CWE-476 Bugzilla: 1709244: CVE-2019-11494 dovecot: premat ...
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) ...

Mailing Lists

Dear subscribers, we have been made aware of two critical vulnerabilities in Dovecot 23 Please find patches attached for 2352 --- Aki Tuomi Open-Xchange oy ------ Open-Xchange Security Advisory 2019-04-30 Product: Dovecot Vendor: OX Software GmbH Internal reference: DOV-3212 (Bug ID) Vulnerability type: CWE-476 Vulnerable version: 230 ...
Dear subscribers, we have been made aware of two critical vulnerabilities in Dovecot 23 Please find patches attached for 2352 --- Aki Tuomi Open-Xchange oy ------ Open-Xchange Security Advisory 2019-04-30 Product: Dovecot Vendor: OX Software GmbH Internal reference: DOV-3212 (Bug ID) Vulnerability type: CWE-476 Vulnerable version: 230 ...