ALAS2-2023-2069


Amazon Linux 2 Security Advisory: ALAS-2023-2069
Advisory Release Date: 2023-06-05 16:39 Pacific
Advisory Updated Date: 2023-06-07 22:38 Pacific
Severity: Medium

Issue Overview:

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. (CVE-2023-28450)


Affected Packages:

dnsmasq


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update dnsmasq to update your system.

New Packages:
aarch64:
    dnsmasq-2.76-16.amzn2.1.4.aarch64
    dnsmasq-utils-2.76-16.amzn2.1.4.aarch64
    dnsmasq-debuginfo-2.76-16.amzn2.1.4.aarch64

i686:
    dnsmasq-2.76-16.amzn2.1.4.i686
    dnsmasq-utils-2.76-16.amzn2.1.4.i686
    dnsmasq-debuginfo-2.76-16.amzn2.1.4.i686

src:
    dnsmasq-2.76-16.amzn2.1.4.src

x86_64:
    dnsmasq-2.76-16.amzn2.1.4.x86_64
    dnsmasq-utils-2.76-16.amzn2.1.4.x86_64
    dnsmasq-debuginfo-2.76-16.amzn2.1.4.x86_64