CVE-2026-4890
High
Description
A Denial of Service (DoS) vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.
SeverityHigh
CVSS7.5
Exploit probability—
ProductDnsmasq
PublishedMay 11, 2026
First seenMay 11, 2026
Weakness typeCWE-835CWE-835
How to fix
Update
- dnsmasq dnsmasq2.92rel2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dnsmasq dnsmasq | v < 2.92rel2 | 2.92rel2 |
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