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 3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.22 | dovecot | 1.1.14-r1, 1.1.15-r0, 1.1.16-r0 |
| Alpine:v3.19 | dovecot | 1.1.15-r0, 1.2.1-r0, 1.2.11-r0 |
| Alpine:v3.16 | dovecot | 2.2.6-r0, 1.1.14-r0, 1.1.13-r0 |
| Alpine:v3.23 | dovecot | 2.2.3-r0, 0, 0 |
| Alpine:v3.18 | dovecot | 1.2.13-r0, 0, 1.1.11-r0 |
| Alpine:v3.15 | dovecot | 2.2.34-r1, 2.2.34-r2, 2.2.34-r3 |
| Alpine:v3.14 | dovecot | 1.1.15-r0, 2.2.27-r1, 2.1.16-r0 |
| Alpine:v3.20 | dovecot | 2.2.19-r2, 2.2.4-r0, 2.2.5-r0 |
| Alpine:v3.21 | dovecot | 2.2.25-r1, 2.2.6-r0, 0 |
| Alpine:v3.12 | dovecot | 1.2.11-r5, 2.1.12-r0, 2.0.4-r0 |
| Alpine:v3.8 | dovecot | 1.2.12-r0, 1.2.11-r5, 1.2.11-r4 |
| Alpine:v3.17 | dovecot | 1.1.11-r0, 1.1.11-r1, 1.1.13-r0 |
| Alpine:v3.11 | dovecot | 2.2.3-r0, 0, 0 |
| Alpine:v3.13 | dovecot | 2.2.25-r2, 2.0.15-r0, 2.2.29.1-r0 |
| Alpine:v3.10 | dovecot | 1.2.11-r2, 1.2.11-r3, 1.2.11-r4 |
| Alpine:v3.24 | dovecot | 0 |
| Alpine:v3.9 | dovecot | 0, 1.1.11-r0, 1.1.11-r1 |
Timeline
- Apr 24, 2019 CVE Published
- Jun 9, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch