Vulnerability in Thekelleys Dnsmasq

CVE-2023-28450

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.

EPSS: 0.013 (68.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-28450?
CVE-2023-28450 is a high-severity vulnerability in Thekelleys Dnsmasq. CVSS score: 7.5/10. Published 2023-03-15.
How severe is CVE-2023-28450?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-28450 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.