CVE details
CVE-2026-107677
FFmpeg through 9.0.2 contains a denial of service vulnerability in the DASH demuxer that allows attackers to trigger an infinite loop by supplying an empty SegmentTemplate media URL. Attackers can craft an .mpd manifest declaring SegmentTemplate media="" so get_current_fragment() calls av_strireplace() with an empty search string, consuming CPU indefinitely.
Affected ports (5)
| Port | Package | Version | Status | Maintainer |
|---|---|---|---|---|
| multimedia/ffmpeg | ffmpeg | 9.0.2_2,1 | unaddressed | multimedia@FreeBSD.org |
| multimedia/ffmpeg | ffmpeg-nox11 | 9.0.2_2,1 | unaddressed | multimedia@FreeBSD.org |
| multimedia/ffmpeg3 | ffmpeg3 | 3.0.2_1 | unaddressed | kreinholz@gmail.com |
| multimedia/ffmpeg4 | ffmpeg4 | 4.4.8_2 | unaddressed | monwarez@mailoo.org |
| multimedia/linux-rl9-ffmpeg | linux-rl9-ffmpeg-libs | 7.1.5 | unaddressed | emulation@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 a denial of service vulnerability in the
DASH demuxer that allows attackers to trigger an infinite loop by
supplying an empty SegmentTemplate media URL. Attackers can craft an
.mpd manifest declaring SegmentTemplate media="" so
get_current_fragment() calls av_strireplace() with an empty search
string, consuming CPU indefinitely.</p>
</body>
</description>
<references>
<cvename>CVE-2026-107677</cvename>
<url>https://nvd.nist.gov/vuln/detail/CVE-2026-107677</url>
</references>
<dates>
<discovery>2026-10-08</discovery>
<entry>2026-10-25</entry>
</dates>
</vuln>