CVE-2019-7524
Publication date 29 March 2019
Last updated 25 August 2025
Ubuntu priority
Description
In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| dovecot | ||
| 18.04 LTS bionic |
Fixed 1:2.2.33.2-1ubuntu4.3
|
|
| 16.04 LTS xenial |
Fixed 1:2.2.22-1ubuntu2.10
|
|
| 14.04 LTS trusty |
Fixed 1:2.2.9-1ubuntu2.6
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.8 · High
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3928-1
- Dovecot vulnerability
- 1 April 2019