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

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    • Type: Public Security Vulnerability
    • Resolution: Fixed
    • Priority: Medium
    • 11.3.12, 10.3.26
    • Affects Version/s: 10.0.0, 10.0.1, 10.1.1, 10.1.2, 10.2.0, 10.2.1, 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, 10.4.1, 10.5.0, 10.5.1, 10.6.0, 10.6.1, 10.7.1, 10.7.2, 10.7.3, 10.7.4, 11.0.0, 11.1.0, 11.0.1, 11.1.1, 11.2.0, 11.2.1, 11.3.0, 11.3.1, 11.3.2, 11.3.3, 11.3.4, 11.3.5, 11.3.6, 11.3.7, 11.3.8, 11.3.9, 11.3.10, 11.3.11, 10.3.16, 10.3.17, 10.3.18, 10.3.19, 10.3.20, 10.3.21, 10.3.22, 10.3.23, 10.3.24, 10.3.25
    • Component/s: None
    • 8.2
    • High
    • CVE-2026-67213
    • Atlassian (Internal)
    • CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    • DoS (Denial of Service)
    • Jira Service Management Data Center

      This Medium 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 Service Management Data Center.

      This DoS (Denial of Service) vulnerability, with a CVSS Score of 8.2 and a CVSS Vector of CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N  allows an unauthenticated attacker to expose assets in your environment susceptible to exploitation, 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 11.3.12
      • Jira Service Management Data Center 10.3: Upgrade to a release greater than or equal to 10.3.26

      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:

      nanoid (Nano ID) before 5.1.6 contains an infinite loop in the customAlphabet and customRandom functions. When these functions are configured with a size of 0, the internal generation loop never satisfies its exit condition and spins indefinitely, hanging the calling thread. An application that passes an unvalidated, attacker-controlled size of 0 to these functions is exposed to a denial-of-service condition.

              Assignee:
              Unassigned
              Reporter:
              David Detweiler
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                Created:
                Updated:
                Resolved: