GHSA-jp4j-47f9-2vc3

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    GHSA-jp4j-47f9-2vc3

    Published: 18 May 2021Last Modified: 10 Sept 2026

    Summary: Integer Overflow or Wraparound in NATS Server

    Details: An integer overflow in NATS Server before 2.2.0 allows a remote attacker to crash the server by sending a crafted request. ### Specific Go Packages Affected github.com/nats-io/nats-server/v2/server

    References: https://nvd.nist.gov/vuln/detail/CVE-2019-13126, https://github.com/nats-io/nats-server/pull/1053, https://github.com/nats-io/nats-server/pull/1441, https://github.com/nats-io/nats-server/commit/07ef71ff98f45f8c2711be4aeaf484610d891dda, https://github.com/nats-io/nats-server/commits/master, https://www.twistlock.com/labs-blog/finding-dos-vulnerability-nats-go-fuzz-cve-2019-13126

    Affected packages

    Package

    Name: github.com/nats-io/nats-server/v2

    Purl: pkg:golang/github.com/nats-io/nats-server/v2

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -2.2.0

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High