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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.018 (78.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: +0.001
Affected products
Public proof-of-concept exploits
References
- thekelleys.org.uk/dnsmasq/doc.html (Product)
- thekelleys.org.uk/gitweb/
- thekelleys.org.uk/gitweb/
- capec.mitre.org/data/definitions/495.html (Not Applicable)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
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.