A flow has been identified into dnssec.c library, causing an infinite loop to dnsmasq service. An attacker who controls any DNSSEC-signed zone can hang the dnsmasq process with a single crafted response, killing all DNS resolution for its clients.
CVSS Details
- CVSS 3.1 Base Score: 4.4
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade dnsmasq-debuginfoUpgrade dnsmasq-utils-debuginfoUpgrade dnsmasq-utilsUpgrade dnsmasqUpgrade dnsmasq-debugsource | Sep 1, 2026 | Aug 14, 2026 |
| Redhat_linux | — | No solution exists | Aug 17, 2026 | Jun 8, 2026 |
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