ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun May 1 00:20:40 2022 +0200| [4f9ee4bf43623ff0960d3d8cf2025c2cdb54382a] | committer: Michael Niedermayer
avcodec/pixlet: consider minimum plane header in the minimal packet size Fixes: Timeout Fixes: 46956/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PIXLET_fuzzer-5698161106092032 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=4f9ee4bf43623ff0960d3d8cf2025c2cdb54382a --- libavcodec/pixlet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/pixlet.c b/libavcodec/pixlet.c index 3174f30e91..4f9282bb94 100644 --- a/libavcodec/pixlet.c +++ b/libavcodec/pixlet.c @@ -611,7 +611,7 @@ static int pixlet_decode_frame(AVCodecContext *avctx, AVFrame *p, bytestream2_init(&ctx->gb, avpkt->data, avpkt->size); pktsize = bytestream2_get_be32(&ctx->gb); - if (pktsize <= 44 || pktsize - 4 > bytestream2_get_bytes_left(&ctx->gb)) { + if (pktsize <= 44 + (NB_LEVELS * 8 + 6) * 3 || pktsize - 4 > bytestream2_get_bytes_left(&ctx->gb)) { av_log(avctx, AV_LOG_ERROR, "Invalid packet size %"PRIu32"\n", pktsize); return AVERROR_INVALIDDATA; } _______________________________________________ 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".
