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CVE-2026-58207
7.7 HIGH
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Changed (C)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Changed (C)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): High (H)
Activity log
- Created suggestion
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 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.
References
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https://github.com/nats-io/nats-server/security/advisories/GHSA-q59r-vq66-pxc2 x_refsource_CONFIRM
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https://github.com/nats-io/nats-server/releases/tag/v2.12.12 x_refsource_MISC
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https://github.com/nats-io/nats-server/releases/tag/v2.14.3 x_refsource_MISC
Affected products
nats-server
- ==>= 2.14.0-RC.1, < 2.14.3
- ==< 2.12.12
Package maintainers
-
@derekcollison Derek Collison <derek@nats.io>
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@swdunlop Scott W. Dunlop <swdunlop@gmail.com>