avformat/matroskadec: avoid signed overflow in DASH cue time differences
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 31 May 2026 01:47:27 +0000 (03:47 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 13 Jun 2026 22:28:22 +0000 (00:28 +0200)
commit4c75502d22d72d7b457d088c1eb1aa647bd3f7c1
tree5d727095f4a6f4d3140b64e499b52ad619e16f2e
parentefcb16ba9432e04eaec0adb90ce5e3d706598268
avformat/matroskadec: avoid signed overflow in DASH cue time differences

Fixes: 493466409/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-6150181551931392
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0a8d9613887777b4aa60815e9d4fa7fb03a47948)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavformat/matroskadec.c