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15.4-ffmpeg-4
ffmpeg-4-CVE-2024-36618.patch
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File ffmpeg-4-CVE-2024-36618.patch of Package 15.4-ffmpeg-4
commit 7a089ed8e049e3bfcb22de1250b86f2106060857 Author: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> Date: Tue Mar 12 23:23:17 2024 +0100 avformat/avidec: Fix integer overflow iff ULONG_MAX < INT64_MAX Affects many FATE-tests, see https://fate.ffmpeg.org/report.cgi?time=20240312011016&slot=ppc-linux-gcc-13.2-ubsan-altivec-qemu Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -1694,7 +1694,7 @@ int *idx = av_mallocz_array(s->nb_streams, sizeof(*idx)); if (!idx) return AVERROR(ENOMEM); - for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + 1LU) { + for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + 1ULL) { int64_t max_dts = INT64_MIN / 2; int64_t min_dts = INT64_MAX / 2; int64_t max_buffer = 0;
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