DoS (Denial of Service) at org.apache.tomcat:tomcat-coyote Dependency in Bamboo Data Center

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    • Type: Public Security Vulnerability
    • Resolution: Fixed
    • Priority: High
    • 10.2.22, 12.1.11
    • Affects Version/s: 10.1.0, 10.2.0, 11.0.0, 10.2.1, 10.2.2, 10.2.3, 12.0.0, 10.2.4, 11.0.1, 10.2.5, 11.0.2, 11.0.3, 10.2.6, 10.2.7, 11.0.4, 12.1.0, 10.2.8, 11.0.5, 10.2.9, 11.0.7, 11.0.8, 10.2.10, 10.2.11, 12.0.1, 12.0.2, 10.2.12, 12.1.1, 10.2.13, 10.2.14, 10.2.15, 12.1.2, 12.1.3, 10.2.16, 10.2.18, 11.1.0, 12.1.6, 12.1.7, 10.2.19, 12.1.8, 10.2.17, 10.2.20, 10.2.21, 12.1.9, 12.1.10, 12.1.4, 12.1.5
    • Component/s: None
    • 7.5
    • High
    • CVE-2026-68763
    • 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)
    • Bamboo Data Center

      This High severity DoS (Denial of Service) vulnerability was introduced in versions 10.1.0, 10.2.0, 11.0.0, 12.0.0, and 12.1.0 of Bamboo 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 Bamboo 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:

      • Bamboo Data Center 10.2: Upgrade to a release greater than or equal to 10.2.22
      • Bamboo Data Center 12.1: Upgrade to a release greater than or equal to 12.1.11

      See the release notes (https://confluence.atlassian.com/bambooreleases/bamboo-release-notes-1189793869.html). You can download the latest version of Bamboo Data Center from the download center (https://www.atlassian.com/software/bamboo/download-archives).

      The National Vulnerability Database provides the following description for this vulnerability: Uncontrolled Resource Consumption vulnerability in Apache Tomcat via an allocation leak in the HTTP/2 backlog tracking when a stream is reset

      This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.39 through 9.0.120.

      The following versions were EOL at the time the CVE was created but are
      known to be affected: from 8.5.59 through 8.5.100. Other unsupported versions may also be affected.

      Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.

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              Unassigned
              Reporter:
              Security Metrics Bot
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                Updated:
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