DoS (Denial of Service) org.bouncycastle:bcutil-lts8on Dependency in Confluence Data Center

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    • Type: Public Security Vulnerability
    • Resolution: Fixed
    • Priority: High
    • 11.0.0, 9.2.24, 10.2.17
    • Affects Version/s: 10.1.0, 9.2.8, 10.0.3, 9.5.4, 9.2.9, 10.1.1, 10.2.0, 9.2.10, 10.1.2, 9.2.11, 9.2.12, 10.2.1, 9.2.13, 10.2.2, 9.2.14, 10.2.3, 9.2.15, 10.2.6, 9.2.17, 10.2.7, 9.2.19, 10.2.10, 10.2.11, 9.2.20, 9.2.21, 10.2.13, 10.2.14, 9.2.22, 10.2.15, 9.2.23
    • Component/s: None
    • 8.7
    • High
    • CVE-2026-59645
    • 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:N/U:Amber
    • Confluence Data Center

      This High severity DoS (Denial of Service) vulnerability was introduced in versions 9.2.8, 9.5.4, 10.0.3, 10.1.0, and 10.2.0 of Confluence Data Center.

      This DoS (Denial of Service) vulnerability, with a CVSS Score of 8.7 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:N/U:Amber, 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 Confluence 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:

      • 11.0: Upgrade to a release greater than or equal to 11.0.0
      • 10.2: Upgrade to a release greater than or equal to 10.2.17
      • 9.2: Upgrade to a release greater than or equal to 9.2.24

      See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the
      latest version of Confluence Data Center from the download center
      (https://www.atlassian.com/software/confluence/download-archives).

      The National Vulnerability Database provides the following description for this vulnerability:

      In Bouncy Castle for Java before 1.85, OER parser recurses without depth limit on self-referential IEEE 1609.2 schema.
      This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before
      bcutil-fips 2.0.7 (2.0.X series) and 2.1.7 (2.1.X series).

              Assignee:
              Unassigned
              Reporter:
              Security Metrics Bot
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                Created:
                Updated:
                Resolved: