DoS (Denial of Service) minimatch Dependency in Jira Service Management Data Center

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    • Type: Public Security Vulnerability
    • Resolution: Fixed
    • Priority: High
    • 11.3.4, 10.3.22
    • Affects Version/s: 5.15.2, 5.16.0, 5.17.0, 10.0.0, 10.1.2, 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, 10.3.15, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.1.0, 11.0.1, 11.2.1, 11.3.0, 11.3.1, 11.3.2, 11.3.3
    • Component/s: None
    • 7.5
    • High
    • CVE-2026-27904
    • Atlassian (Internal)
    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    • DoS (Denial of Service)
    • Jira Service Management Data Center

      This High severity DoS (Denial of Service) vulnerability was introduced in versions 5.15.2, 5.16.0, 5.17.0, 10.0.0, 10.1.2, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.1, 11.1.0, 11.2.1, and 11.3.0 of Jira Service Management Data Center.

      This DoS (Denial of Service) vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A: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 which has no impact to confidentiality, no impact to integrity, high impact to availability, and requires no user interaction.

      Atlassian recommends that Jira Service Management 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 Service Management Data Center 11.3: Upgrade to a release greater than or equal to 11.3.4

      See the release notes (https://confluence.atlassian.com/servicemanagement/jira-service-management-release-notes-780083086.html). You can download the latest version of Jira Service Management Data Center from the download center (https://www.atlassian.com/software/jira/service-management/download-archives).

      The National Vulnerability Database provides the following description for this vulnerability: minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to version 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.4, nested `()` extglobs produce regexps with nested unbounded quantifiers (e.g. `(??:a|b))`), which exhibit catastrophic backtracking in V8. With a 12-byte pattern `(((a|b)))` and an 18-byte non-matching input, `minimatch()` stalls for over 7 seconds. Adding a single nesting level or a few input characters pushes this to minutes. This is the most severe finding: it is triggered by the default `minimatch()` API with no special options, and the minimum viable pattern is only 12 bytes. The same issue affects `+()` extglobs equally. Versions 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.4 fix the issue.

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              Unassigned
              Reporter:
              Security Metrics Bot
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                Updated:
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