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Mageia: 2023-0153 High: Dnsmasq EDNS Packet Size Security Update

mageia
Calendar Grey April 24, 2023
Dist Mageia Esm H88
Revamped dnsmasq versions address vulnerability linked to standard EDNS.0 UDP size. Solutions can be accessed through Mageia.
A flaw was found in Dnsmasq

Summary

A flaw was found in Dnsmasq. 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)

References

- https://bugs.mageia.org/show_bug.cgi?id=31770

- http://www.dnsflagday.net/2020/

- https://www.cve.org/CVERecord?id=CVE-2023-28450

Topics%20covered

Topics Covered

security advisory security fix dnsmasq 2023 mageia edns issue udp packet size

Resolution

SRPMS

- 8/core/dnsmasq-2.85-6.mga8

Publication date: 24 Apr 2023
URL: https://advisories.mageia.org/MGASA-2023-0153.html
Type: security
CVE: CVE-2023-28450

Topics%20covered

Topics Covered

security advisory security fix dnsmasq 2023 mageia edns issue udp packet size

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