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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

References

Timeline

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The 13 CVEs of NSD →
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