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Vulnerabilities / CVE-2019-6443

critical

CVE-2019-6443

An issue was discovered in NTPsec before 1.1.3. Because of a bug in ct ...

Published Modified CWE 125
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Ubuntu (medium).

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.

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.10ntpsec1.1.3-r0
alpine 3.11ntpsec1.1.3-r0
alpine 3.12ntpsec1.1.3-r0
alpine 3.13ntpsec1.1.3-r0
alpine 3.14ntpsec1.1.3-r0
alpine 3.15ntpsec1.1.3-r0
alpine 3.16ntpsec1.1.3-r0
alpine 3.17ntpsec1.1.3-r0
alpine 3.18ntpsec1.1.3-r0
alpine 3.19ntpsec1.1.3-r0
alpine 3.20ntpsec1.1.3-r0
alpine 3.21ntpsec1.1.3-r0
Show all 24 entries from 24 sources
SourcePackageFixed in
alpine 3.10ntpsec1.1.3-r0
alpine 3.11ntpsec1.1.3-r0
alpine 3.12ntpsec1.1.3-r0
alpine 3.13ntpsec1.1.3-r0
alpine 3.14ntpsec1.1.3-r0
alpine 3.15ntpsec1.1.3-r0
alpine 3.16ntpsec1.1.3-r0
alpine 3.17ntpsec1.1.3-r0
alpine 3.18ntpsec1.1.3-r0
alpine 3.19ntpsec1.1.3-r0
alpine 3.20ntpsec1.1.3-r0
alpine 3.21ntpsec1.1.3-r0
alpine 3.22ntpsec1.1.3-r0
alpine 3.23ntpsec1.1.3-r0
alpine 3.24ntpsec1.1.3-r0
alpine edgentpsec1.1.3-r0
debian 11ntpsec1.1.3+dfsg1-1
debian 12ntpsec1.1.3+dfsg1-1
debian 13ntpsec1.1.3+dfsg1-1
debian 14ntpsec1.1.3+dfsg1-1
echontpsec1.1.3+dfsg1-1
ubuntu 18.04ntpsec1.1.0+dfsg1-1ubuntu0.2
ubuntu 18.04-ESMntpsec1.1.0+dfsg1-1ubuntu0.2
ubuntu 18.10ntpsec1.1.1+dfsg1-2ubuntu0.1

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.