CVE-2019-7524
dovecot - security update
7.8
HIGH
CVSS 3.1
EPSS 0.09%
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.
How to fix CVE-2019-7524
To remediate CVE-2019-7524, upgrade the affected package to a fixed version below.
- Alpine/dovecot—upgrade to 2.3.5.1-r0 or later
- —upgrade to 1:2.3.4.1-3 or later
- —upgrade to 1:2.2.13-12~deb8u6 or later
- —upgrade to 1:2.2.27-3+deb9u4 or later
Is CVE-2019-7524 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 2.3.5.1-r0
- from 0, < 1:2.3.4.1-3
- from 0, < 1:2.2.13-12~deb8u6
- from 0, < 1:2.2.27-3+deb9u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |