CVE-2026-58207 — NATS Server: Remote crash via integer overflow in Connz pagination
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a client able to send account-scoped connection mo…
Published: 2026-07-08 · CVSS: 7.7 · CVSS 3.1
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a client able to send account-scoped connection monitoring requests could crash the server by supplying Connz pagination Offset and Limit values that overflowed internal arithmetic before the response window was safely bounded. This issue is fixed in versions 2.14.3 and 2.12.12.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7