CVE-2019-6443
9.1
CRITICAL
CVSS 3.1
EPSS 66.9%
Description
An issue was discovered in NTPsec before 1.1.3. Because of a bug in ctl_getitem, there is a stack-based buffer over-read in read_sysvars in ntp_control.c in ntpd.
How to fix CVE-2019-6443
To remediate CVE-2019-6443, upgrade the affected package to a fixed version below.
- Debian/ntpsec—upgrade to 1.1.3+dfsg1-1 or later
Is CVE-2019-6443 being exploited?
Likely — EPSS is 66.9%, placing CVE-2019-6443 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 1.1.3+dfsg1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |