CVE-2019-11766

Publication date 5 May 2019

Last updated 26 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Status

Package Ubuntu Release Status
dhcpcd5 25.10 questing Not in release
25.04 plucky Not in release
24.10 oracular Not in release
24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar
Fixed 7.1.0-2
22.10 kinetic
Fixed 7.1.0-2
22.04 LTS jammy
Fixed 7.1.0-2
21.10 impish
Fixed 7.1.0-2
21.04 hirsute
Fixed 7.1.0-2
20.10 groovy
Fixed 7.1.0-2
20.04 LTS focal
Fixed 7.1.0-2
19.10 eoan
Fixed 7.1.0-2
19.04 disco Ignored end of life
18.10 cosmic Ignored end of life
18.04 LTS bionic
Vulnerable
16.04 LTS xenial
Vulnerable
14.04 LTS trusty
Needs evaluation

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Other references