Vulnerabilities / CVE-2019-11766

critical

CVE-2019-11766

dhcp6.c in dhcpcd before 6.11.7 and 7.x before 7.2.2 has a buffer over ...

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

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Description

dhcp6.c in dhcpcd before 6.11.7 and 7.x before 7.2.2 has a buffer over-read in the D6_OPTION_PD_EXCLUDE feature.

Affected packages and fixed versions

SourcePackageFixed in
debian 11dhcpcd57.1.0-2
debian 12dhcpcd57.1.0-2
debian 9dhcpcd5no fix listed
echodhcpcd57.1.0-2
ubuntu 18.04-ESMdhcpcd5no fix listed
ubuntu 19.10dhcpcd57.1.0-2
ubuntu 20.04dhcpcd57.1.0-2
ubuntu 20.04-ESMdhcpcd57.1.0-2
ubuntu 20.10dhcpcd57.1.0-2
ubuntu 21.04dhcpcd57.1.0-2
ubuntu 21.10dhcpcd57.1.0-2
ubuntu 22.04dhcpcd57.1.0-2
Show all 14 entries from 14 sources
SourcePackageFixed in
debian 11dhcpcd57.1.0-2
debian 12dhcpcd57.1.0-2
debian 9dhcpcd5no fix listed
echodhcpcd57.1.0-2
ubuntu 18.04-ESMdhcpcd5no fix listed
ubuntu 19.10dhcpcd57.1.0-2
ubuntu 20.04dhcpcd57.1.0-2
ubuntu 20.04-ESMdhcpcd57.1.0-2
ubuntu 20.10dhcpcd57.1.0-2
ubuntu 21.04dhcpcd57.1.0-2
ubuntu 21.10dhcpcd57.1.0-2
ubuntu 22.04dhcpcd57.1.0-2
ubuntu 22.10dhcpcd57.1.0-2
ubuntu 23.04dhcpcd57.1.0-2

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.