From 63504a2d44e51999e3ce11a4b172a1b3965a2996 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 15 Nov 2016 14:46:16 +0100 Subject: avcodec/movtextdec: Fix potential integer overflow Signed-off-by: Michael Niedermayer (cherry picked from commit 6ea27157682200e5f78cadcabdb009eccd9dd9b1) Signed-off-by: Michael Niedermayer --- libavcodec/movtextdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec') diff --git a/libavcodec/movtextdec.c b/libavcodec/movtextdec.c index e7c3d490fd..a2b50b018f 100644 --- a/libavcodec/movtextdec.c +++ b/libavcodec/movtextdec.c @@ -490,7 +490,7 @@ static int mov_text_decode_frame(AVCodecContext *avctx, m->size_var = 8; //size_var is equal to 8 or 16 depending on the size of box - if (m->tracksize + tsmb_size > avpkt->size) + if (tsmb_size > avpkt->size - m->tracksize) break; for (size_t i = 0; i < box_count; i++) { -- cgit v1.2.3