CVE-2017-14171

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.

• CWE-834

• http://www.debian.org/security/2017/dsa-3996
• http://www.securityfocus.com/bid/100706
• https://github.com/FFmpeg/FFmpeg/commit/c24bcb553650b91e9eff15ef6e54ca73de2453b7Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html
• http://www.debian.org/security/2017/dsa-3996
• http://www.securityfocus.com/bid/100706
• https://github.com/FFmpeg/FFmpeg/commit/c24bcb553650b91e9eff15ef6e54ca73de2453b7Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html

Published

Sep 7, 2017

Last Modified

Jun 17, 2026

Status

Modified

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