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CVE details

CVE-2026-121961

FreeRDP before 3.32.2 contains a use-after-free vulnerability in the freerdp-proxy DRDYNVC tracker when intercepting the drdynvc channel. A malicious target server can repeatedly send CREATE_REQUEST_PDU for an active channel id, racing front DATA handling to free a borrowed context and crash the proxy process.

Score
8.2 high
Published
2026-11-04
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
net/freerdpfreerdp2.11.8_1unaddressedvvd@FreeBSD.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>freerdp -- FIXME</topic>
    <affects>
      <package>
	<name>freerdp</name>
	<range><lt>3.32.2</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>CVE-2026-121961: FreeRDP before 3.32.2 contains a use-after-free
	  vulnerability in the freerdp-proxy DRDYNVC tracker when
	  intercepting the drdynvc channel. A malicious target server can
	  repeatedly send CREATE_REQUEST_PDU for an active channel id, racing
	  front DATA handling to free a borrowed context and crash the proxy
	  process.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-121961</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-121961</url>
    </references>
    <dates>
      <discovery>2026-11-04</discovery>
      <entry>2026-11-04</entry>
    </dates>
  </vuln>