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CVE details

CVE-2026-107696

FFmpeg through 9.0.2 contains an infinite loop vulnerability in ff_rtsp_connect() in libavformat/rtsp.c that follows RTSP 3xx redirects without any redirect limit. Attackers controlling an RTSP server can answer every request with a 302 redirect to itself or another server, causing endless reconnects that saturate a CPU core.

Score
7.1 high
Published
2026-10-08
Links
NVD · cve.org

Affected ports (5)

PortPackageVersionStatusMaintainer
multimedia/ffmpegffmpeg9.0.2_2,1unaddressedmultimedia@FreeBSD.org
multimedia/ffmpegffmpeg-nox119.0.2_2,1unaddressedmultimedia@FreeBSD.org
multimedia/ffmpeg3ffmpeg33.0.2_1unaddressedkreinholz@gmail.com
multimedia/ffmpeg4ffmpeg44.4.8_2unaddressedmonwarez@mailoo.org
multimedia/linux-rl9-ffmpeglinux-rl9-ffmpeg-libs7.1.5unaddressedemulation@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>ffmpeg</name>
	<range><lt>FIXME</lt></range>
      </package>
      <package>
	<name>ffmpeg-nox11</name>
	<range><lt>FIXME</lt></range>
      </package>
      <package>
	<name>ffmpeg3</name>
	<range><lt>FIXME</lt></range>
      </package>
      <package>
	<name>ffmpeg4</name>
	<range><lt>FIXME</lt></range>
      </package>
      <package>
	<name>linux-rl9-ffmpeg-libs</name>
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>FFmpeg through 9.0.2 contains an infinite loop vulnerability in
	ff_rtsp_connect() in libavformat/rtsp.c that follows RTSP 3xx
	redirects without any redirect limit. Attackers controlling an RTSP
	server can answer every request with a 302 redirect to itself or
	another server, causing endless reconnects that saturate a CPU core.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-107696</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-107696</url>
    </references>
    <dates>
      <discovery>2026-10-08</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>