ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Fri Jun 20 02:02:04 2025 +0200| [eb52251c0ab025b6b40b28994bc9dc616813b190] | committer: Michael Niedermayer
avcodec/vvc/ctu: Check ff_vvc_num_signalled_palette_entries Fixes: index 107 out of bounds for type 'uint16_t const[63]' Fixes: 421336912/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VVC_fuzzer-6436225806565376 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=eb52251c0ab025b6b40b28994bc9dc616813b190 --- libavcodec/vvc/ctu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/vvc/ctu.c b/libavcodec/vvc/ctu.c index 7fa2b49638..cf7edccb8b 100644 --- a/libavcodec/vvc/ctu.c +++ b/libavcodec/vvc/ctu.c @@ -1889,7 +1889,7 @@ static int palette_signaled(VVCLocalContext *lc, const bool local_dual_tree, const int size = nb_predicted + nb_signaled; const bool dual_tree_luma = local_dual_tree && cu->tree_type == DUAL_TREE_LUMA; - if (size > max_entries) + if (size > max_entries || nb_signaled < 0) return AVERROR_INVALIDDATA; for (int c = start; c < end; c++) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
