CVE-2026-5950 — BIND 9 Versions Vulnerability
CVE-2026-5950 — An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects BIND 9 versions
What This Means For You
- If your environment is affected by CWE-606, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-5950 updates and patches.
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-5950 | vulnerability | CVE-2026-5950 |
| CWE-606 | weakness | CWE-606 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 20, 2026 at 16:16 UTC |
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