DescriptionThe swri_audio_convert function in audioconvert.c in FFmpeg libswresample through 3.0.101, as used in FFmpeg 3.4.1, aubio 0.4.6, and other products, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted audio file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs884232

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
aubio (PTS)buster0.4.6-2fixed
trixie, sid0.4.9-4.4fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[stretch] - aubio <no-dsa> (Minor issue)
[jessie] - aubio <no-dsa> (Minor issue)
[wheezy] - aubio <no-dsa> (Minor issue)
Fixed by:
aubio initializes libswresample with 2 channels and then passes data
that contains just one channel. Not an issue in src:ffmpeg.

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