CVE-2017-14169
In the mxf_read_primer_pack function in libavformat/mxfdec.c in FFmpeg 3.3.3 -> 2.4, an integer signedness error might occur when a crafted file, which claims a large "item_num" field such as 0xffffffff, is provided. As a result, the variable "item_num" turns negative, bypassing the check for a large value.
| Software | From | Fixed in |
|---|---|---|
| ffmpeg / ffmpeg | 3.3.3 | 3.3.3.x |
| debian / debian_linux | 8.0 | 8.0.x |
| debian / debian_linux | 9.0 | 9.0.x |
- http://www.debian.org/security/2017/dsa-3996
- http://www.securityfocus.com/bid/100692
- https://github.com/FFmpeg/FFmpeg/commit/9d00fb9d70ee8c0cc7002b89318c5be00f1bbdad
- https://github.com/FFmpeg/FFmpeg/commit/a4e85b2e1c8d5b4bf0091157bbdeb0e457fb7b8f
- https://lists.debian.org/debian-lts-announce/2019/02/msg00005.html
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