third_party/ffmpeg/libavcodec/x86/mpegvideodsp.c: Fix signedness bug in need_emu#624
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npt-1707 wants to merge 1 commit intoweolar:masterfrom
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third_party/ffmpeg/libavcodec/x86/mpegvideodsp.c: Fix signedness bug in need_emu#624npt-1707 wants to merge 1 commit intoweolar:masterfrom
npt-1707 wants to merge 1 commit intoweolar:masterfrom
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Description
This PR fixes a potential vulnerability in
gmc_mmx()in mpegvideodsp.c that was cloned from FFmpeg but did not receive the security patch. The original issue was reported and fixed under FFmpeg/FFmpeg@58cf31c.This PR applies the same patch to eliminate the vulnerability.
References
https://nvd.nist.gov/vuln/detail/CVE-2017-17081
FFmpeg/FFmpeg@58cf31c