DoS (Denial of Service) node-tar dependency in Jira Software Data Center

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    • Type: Public Security Vulnerability
    • Resolution: Fixed
    • Priority: Highest
    • 11.3.10, 10.3.18
    • Affects Version/s: 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.3.1, 10.3.2, 10.3.3, 10.3.4, 10.3.5, 10.3.6, 10.3.7, 10.3.8, 10.3.9, 10.3.10, 10.3.11, 10.3.12, 10.3.13, 10.3.14, 10.3.15, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, 11.3.0, 11.3.1, 11.3.2, 11.3.3, 11.3.4, 11.3.8, 10.3.16, 10.3.17
    • Component/s: Security
    • 9.2
    • Critical
    • CVE-2026-59873
    • Atlassian (Internal)
    • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
    • DoS (Denial of Service)
    • Jira Software Data Center

      This is a vulnerability in a non-Atlassian Jira Software Data Cente dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk.

      This Critical severity DoS (Denial of Service) vulnerability was introduced in versions 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Software Data Center.

      This DoS (Denial of Service) vulnerability, with a CVSS Score of 9.2 and a CVSS Vector of CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H allows an unauthenticated attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network.

      Atlassian recommends that Jira Software Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:

      • Jira Software Data Center 10.3: Upgrade to a release greater than or equal to 10.3.18
      • Jira Software Data Center 11.3: Upgrade to a release greater than or equal to 11.3.10

      See the release notes (https://www.atlassian.com/software/jira/download-archives). You can download the latest version of Jira Software Data Center from the download center (https://www.atlassian.com/software/jira/download-archives).

      The National Vulnerability Database provides the following description for this vulnerability: node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.19, node-tar does not enforce hard upper bounds on total decompressed data, entry counts, or decompression ratio in extraction and parsing paths such as src/extract.ts, allowing a small crafted gzip bomb to exhaust disk space and CPU. This issue is fixed in version 7.5.19.

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              Unassigned
              Reporter:
              Security Metrics Bot
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                Created:
                Updated:
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