Is CVE-2023-28450 actively exploited?

CVE-2023-28450 has no public evidence of in-the-wild exploitation as of 2025-11-03.

What is the CVSS score for CVE-2023-28450?

CVE-2023-28450 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2023-28450?

Patch guidance is available from thekelleys security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-28450.

Fix CVE-2023-28450 - HIGH thekelleys dnsmasq

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: NVD-CWE-noinfo

Metadata

Primary Vendor: THEKELLEYS
Published: 3/15/2023
Last Modified: 11/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-28450

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary