CVE-2019-13951

Publication date 18 July 2019

Last updated 25 August 2025


Ubuntu priority

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

The set_ipv4() function in zscan_rfc1035.rl in gdnsd 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv4 address in zone data.

Status

Package Ubuntu Release Status
gdnsd 19.04 disco
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release

Severity score breakdown

CVSS version: CVSS v3.0

Base score 9.8 · Critical

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


Access our resources on patching vulnerabilities