8.2
High
CVE-2026-19538 The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed…
Description
The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed completely when connecting over TCP or TLS and sending the query twice on connection that is kept open.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| NSD 4.8 | 4.8.0 → < 4.15.1 | 4.15.1 |
Other CVEs of NSD
The 13 CVEs of 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
High
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
High
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
High
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
High