CVE-2023-28450

HIGH EPSS 67.6%
Published Mar 15, 20233y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Mar 15, 2023 3y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
67.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Affected Products 1

VendorProductVersionRange
thekelleysdnsmasq* <2.90

References 7

  • capec.mitre.org https://capec.mitre.org/data/definitions/495.html
    Not Applicable
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2024/11/msg00035.html
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6UQ6LKDTLSSD64TBIZ3XEKBM2SWC63VV/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OU2ZT4ITSEOOR2CFBAHK4Z67KXJIEWQA/
  • thekelleys.org.uk https://thekelleys.org.uk/dnsmasq/doc.html
    Product
  • thekelleys.org.uk https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=blob%3Bf=CHANGELOG
  • thekelleys.org.uk https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=eb92fb32b746f2104b0f370b5b295bb8dd4bd5e5

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.