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CVE-2026-58207

NATS Server: Remote crash via integer overflow in Connz pagination PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
nats-io / nats-serveraffected < 2.12.12; affected >= 2.14.0-RC.1, < 2.14.3

CWE

CWE-190

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.