CVE-2019-14834
Publication date 7 January 2020
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
A vulnerability was found in dnsmasq before version 2.81, where the memory leak allows remote attackers to cause a denial of service (memory consumption) via vectors involving DHCP response creation.
Status
Package | Ubuntu Release | Status |
---|---|---|
dnsmasq | 24.04 LTS noble |
Not affected
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Fixed 2.80-1.1ubuntu1.2
|
|
18.04 LTS bionic |
Fixed 2.79-1ubuntu0.2
|
|
16.04 LTS xenial |
Fixed 2.75-1ubuntu0.16.04.7
|
|
14.04 LTS trusty |
Vulnerable
|
Patch details
Package | Patch details |
---|---|
dnsmasq |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 3.7 · Low |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | Low |
Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |
References
Related Ubuntu Security Notices (USN)
- USN-4698-1
- Dnsmasq vulnerabilities
- 19 January 2021