CVE-2023-28450

7.5 HIGH

Published: March 15, 2023 Modified: November 03, 2025

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://capec.mitre.org/data/definitions/495.html

Source: cve@mitre.org

Not Applicable

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6UQ6LKDTLSSD64TBIZ3XEKBM2SWC63VV/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU2ZT4ITSEOOR2CFBAHK4Z67KXJIEWQA/

Source: cve@mitre.org

https://thekelleys.org.uk/dnsmasq/doc.html

Source: cve@mitre.org

Product

https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=blob%3Bf=CHANGELOG

Source: cve@mitre.org

https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=eb92fb32b746f2104b0f370b5b295bb8dd4bd5e5

Source: cve@mitre.org

https://capec.mitre.org/data/definitions/495.html