CVE Vulnerabilities

CVE-2023-28450

Published: Mar 15, 2023 | Modified: Nov 07, 2023
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
LOW

An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020.

Affected Software

Name Vendor Start Version End Version
Dnsmasq Thekelleys * 2.90 (excluding)
Red Hat Enterprise Linux 8 RedHat dnsmasq-0:2.79-31.el8 *
Red Hat Enterprise Linux 8.6 Extended Update Support RedHat dnsmasq-0:2.79-21.el8_6.5 *
Red Hat Enterprise Linux 8.8 Extended Update Support RedHat dnsmasq-0:2.79-26.el8_8.4 *
Red Hat Enterprise Linux 9 RedHat dnsmasq-0:2.85-14.el9 *
Dnsmasq Ubuntu bionic *
Dnsmasq Ubuntu devel *
Dnsmasq Ubuntu esm-infra/bionic *
Dnsmasq Ubuntu esm-infra/xenial *
Dnsmasq Ubuntu focal *
Dnsmasq Ubuntu jammy *
Dnsmasq Ubuntu kinetic *
Dnsmasq Ubuntu lunar *
Dnsmasq Ubuntu mantic *
Dnsmasq Ubuntu noble *
Dnsmasq Ubuntu trusty *
Dnsmasq Ubuntu trusty/esm *
Dnsmasq Ubuntu upstream *
Dnsmasq Ubuntu xenial *

References