VDB
ALPINE-CVE-2020-7957
ALPINE-CVE-2020-7957
PUBLISHED
CVSS 5.300000190734863 MEDIUM
The IMAP and LMTP components in Dovecot 2.3.9 before 2.3.9.3 mishandle snippet generation when many characters must be read to compute the snippet and a trailing > character exists. This causes a denial of service in which the recipient cannot read all of their messages.
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.23 | dovecot | 2.3.9, 2.2.24-r1, 2.2.25-r1 |
| Alpine:v3.15 | dovecot | 2.3.9, 2.3.9, 2.3.9 |
| Alpine:v3.14 | dovecot | 2.0.13-r0, 2.3.9, 2.3.9 |
| Alpine:v3.9 | dovecot | 1.2.13-r0, 1.2.3-r0, 1.2.4-r0 |
| Alpine:v3.10 | dovecot | 2.2.6-r0, 2.2.5-r2, 2.2.5-r1 |
| Alpine:v3.19 | dovecot | 2.1.1-r0, 2.1.0-r0, 2.0.9-r1 |
| Alpine:v3.16 | dovecot | 2.3.9, 2.3.9, 2.3.9 |
| Alpine:v3.17 | dovecot | 2.3.9, 1.1.14-r0, 1.2.11-r0 |
| Alpine:v3.24 | dovecot | 2.3.9, 0, 2.3.9 |
| Alpine:v3.21 | dovecot | 2.2.2-r0, 1.1.11-r0, 1.1.11-r1 |
| Alpine:v3.22 | dovecot | 2.0.17-r2, 1.1.11-r0, 1.1.11-r1 |
| Alpine:v3.12 | dovecot | 0, 1.2.7-r0, 1.2.8-r0 |
| Alpine:v3.8 | dovecot | 0, 2.3.7.2-r1, 2.3.7.2-r0 |
| Alpine:v3.18 | dovecot | 1.2.7-r0, 1.2.6-r1, 1.2.6-r0 |
| Alpine:v3.20 | dovecot | 2.3.6-r1, 0, 1.1.11-r0 |
| Alpine:v3.11 | dovecot | 2.0.1-r0, 2.0.10-r0, 2.3.9.2-r0 |
| Alpine:v3.13 | dovecot | 0, 1.1.11-r0, 1.1.13-r0 |
Timeline
- Feb 12, 2020 CVE Published
- Aug 5, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch