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CVE details

CVE-2026-117677

When parsing an uploaded Helm chart, Gitea decompressed the archive and read every tar entry while looking for `Chart.yaml` without limiting the decompressed size, and did so before the package size quota was checked; the quota only considers the compressed upload size. A user with package write access to an owner, for example their own account on an instance with open registration, could repeatedly upload small, highly compressed archives that make the server spend CPU time proportional to the decompressed size, degrading the availability of the Gitea instance. The issue does not allow code execution or data access.

Score
–
Published
2026-11-01
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
www/giteagitea28.2.0unaddressedports@foss-daily.org

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Check the version numbers before you commit this entry. Some ports share an entry in the CVE database with another port, such as sqlite2 and sqlite3. The version shown here may then be one that never existed for this port.

Ranges per package from the CVE rows that match this port, in pkg notation with the port's epoch and revision, every bound checked with pkg; one range per epoch the port actually had. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>gitea -- FIXME</topic>
    <affects>
      <package>
	<name>gitea</name>
	<range><lt>28.3.0</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>CVE-2026-117677: When parsing an uploaded Helm chart, Gitea
	  decompressed the archive and read every tar entry while looking for
	  `Chart.yaml` without limiting the decompressed size, and did so
	  before the package size quota was checked; the quota only considers
	  the compressed upload size. A user with package write access to an
	  owner, for example their own account on an instance with open
	  registration, could repeatedly upload small, highly compressed
	  archives that make the server spend CPU time proportional to the
	  decompressed size, degrading the availability of the Gitea
	  instance. The issue does not allow code execution or data access.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-117677</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-117677</url>
    </references>
    <dates>
      <discovery>2026-11-01</discovery>
      <entry>2026-11-02</entry>
    </dates>
  </vuln>