An attacker might be able to trigger an out-of-bounds read by sending a crafted DNS response packet, when custom Lua code uses newDNSPacketOverlay to parse DNS packets. The out-of-bounds read might trigger a crash, leading to a denial of service, or access unrelated memory, leading to potential information disclosure.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade dnsdist | Apr 24, 2026 | Mar 31, 2026 |
| Debian | — | Upgrade dnsdist | Jul 23, 2026 | Jul 23, 2026 |
| Freebsd | — | Upgrade dnsdist | Apr 14, 2026 | Apr 10, 2026 |
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