Amazon Linux 2 Security Advisory: ALASDNSMASQ-2023-001
Advisory Release Date: 2023-08-07 05:24 Pacific
Advisory Updated Date: 2024-01-25 01:56 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 - Dnsmasq Extra. Visit this page to learn more about Amazon Linux 2 (AL2) Extras and 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-2.88-1.amzn2.0.2.aarch64
dnsmasq-utils-2.88-1.amzn2.0.2.aarch64
dnsmasq-debuginfo-2.88-1.amzn2.0.2.aarch64
src:
dnsmasq-2.88-1.amzn2.0.2.src
x86_64:
dnsmasq-2.88-1.amzn2.0.2.x86_64
dnsmasq-utils-2.88-1.amzn2.0.2.x86_64
dnsmasq-debuginfo-2.88-1.amzn2.0.2.x86_64