VDB

ALPINE-CVE-2019-10691

ALPINE-CVE-2019-10691 PUBLISHED CVSS 7.5 HIGH

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.

Risk Scores

CVSS v3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Alpine:v3.22dovecot2.0.11-r1, 2.0.12-r0, 2.0.12-r1
Alpine:v3.19dovecot1.2.10-r0, 2.2.34-r2, 2.2.2-r1
Alpine:v3.16dovecot2.0.17-r2, 2.2.6-r0, 1.1.11-r0
Alpine:v3.23dovecot1.2.10-r0, 0, 1.1.11-r0
Alpine:v3.18dovecot2.0.17-r1, 0, 1.1.11-r0
Alpine:v3.15dovecot2.3.2.1-r0, 1.2.3-r0, 1.2.4-r0
Alpine:v3.14dovecot1.2.8-r0, 2.2.18-r1, 2.2.19-r0
Alpine:v3.20dovecot1.2.11-r3, 1.2.11-r4, 1.2.11-r5
Alpine:v3.21dovecot2.0.14-r0, 2.3.3-r2, 2.3.4.1-r0
Alpine:v3.12dovecot2.2.33.2-r2, 2.3.5.1-r1, 2.3.5.1-r0
Alpine:v3.8dovecot1.2.6-r0, 0, 1.1.11-r0
Alpine:v3.17dovecot1.1.11-r0, 2.3.5.1-r1, 2.3.5.1-r0
Alpine:v3.11dovecot2.3.5.1-r1, 2.3.5.1-r0, 2.3.4.1-r1
Alpine:v3.13dovecot2.2.2-r1, 1.1.11-r0, 1.1.11-r1
Alpine:v3.10dovecot2.1.13-r0, 2.1.16-r0, 2.1.3-r0
Alpine:v3.9dovecot2.1.9-r1, 0, 2.3.5.1-r0

Timeline

  • Apr 24, 2019 CVE Published
  • Dec 3, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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