8.2
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CVE-2026-19401 Any remote client can crash a (debugging/non-release build type) NSD serve child by sending it a special crafted message…
Description
Any remote client can crash a (debugging/non-release build type) NSD serve child by sending it a special crafted message with a specially tuned number of DNS Cookie options (17 when UDP payload size is 512). By continuously crashing the serve childs, the remote client can severely hamper or, when positioned sufficiently close, deny all DNS service.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| NSD 4.3 | 4.3.7 → < 4.15.1 | 4.15.1 |
Autres CVE de NSD
Les 13 CVE de NSD →
CVE-2026-101341
Tokens of text in RDATA (of for example TXT records) under 32 bytes are not checked to stay within the space reserved…
8.7
Élevée
CVE-2026-101339
A HIP resource record that fills the RDATA near or at is limit, and has another dname RDATA field (a HIP Rendezvous…
8.7
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CVE-2026-101338
When a SVCB or HTTPS RR has filled the wire format RDATA up to the brim, another ECH parameter may overwrite the…
8.7
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CVE-2026-101337
When base64 data is split up in pieces, of 3 character or less, tokens were incorrectly calculated to produce 0 bytes
8.7
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