CVE-2016-9963
exim4 - security update
5.9
MEDIUM
CVSS 3.1
EPSS 1.9%
Description
Exim before 4.87.1 might allow remote attackers to obtain the private DKIM signing key via vectors related to log files and bounce messages.
How to fix CVE-2016-9963
To remediate CVE-2016-9963, upgrade the affected package to a fixed version below.
- Debian/exim4—upgrade to 4.88~RC6-2 or later
- Debian/exim4—upgrade to 4.80-7+deb7u4 or later
- —upgrade to 4.84.2-2+deb8u2 or later
Is CVE-2016-9963 being exploited?
Low — EPSS is 1.9%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 4.88~RC6-2
- from 0, < 4.80-7+deb7u4
- from 0, < 4.84.2-2+deb8u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |