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Debian: CVE-2017-14171: ffmpeg -- security update

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Debian: CVE-2017-14171: ffmpeg -- security update

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
09/07/2017
Created
07/25/2018
Added
12/05/2017
Modified
01/07/2021

Description

In libavformat/nsvdec.c in FFmpeg 2.4 and 3.3.3, a DoS in nsv_parse_NSVf_header() due to lack of an EOF (End of File) check might cause huge CPU consumption. When a crafted NSV file, which claims a large "table_entries_used" field in the header but does not contain sufficient backing data, is provided, the loop over 'table_entries_used' would consume huge CPU resources, since there is no EOF check inside the loop.

Solution(s)

  • debian-upgrade-ffmpeg

References

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