QID 357079

Date Published: 2024-02-09

QID 357079: Amazon Linux Security Advisory for dnsmasq : ALAS2DNSMASQ-2023-001

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)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Please refer to Amazon advisory: ALAS2DNSMASQ-2023-001 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 357079

    Software Advisories
    Advisory ID Software Component Link
    ALAS2DNSMASQ-2023-001 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALASDNSMASQ-2023-001.html