Detections
Analytics
Alpine: multiple dovecot packages: security update to 2.3.6-r0
high Tenable Cloud Security Plugin ID 423837
Description
There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:- The JSON encoder in Dovecot before 2.3.5.2 allows attackers to repeatedly crash the authentication service
by attempting to authenticate with an invalid UTF-8 sequence as the username. (CVE-2019-10691)
- In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client
disconnects prematurely during the AUTH command. (CVE-2019-11494)
- In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login component crashes if AUTH PLAIN
is attempted over a TLS secured channel with an unacceptable authentication message. (CVE-2019-11499)
See Also
https://security.alpinelinux.org/vuln/CVE-2019-10691
Plugin Details
Severity: High
ID: 423837
Version: Revision 1.8
Type: Local
Published: 4/4/2025
Updated: 7/2/2026
Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Low
Score: 3
Percentile: 23.18
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2019-11499
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Exploit Ease: No known exploits are available
Vulnerability Publication Date: 4/18/2019