From 0562ec0f9a403352f8a15d8ccc81628c084ef506 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 11 Jul 2024 20:03:45 +0200 Subject: [PATCH] avformat/mov: Use 64bit for str_size We assign a 64bit variable to it before checking Fixes: CID1604544 Overflowed integer argument Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer (cherry picked from commit 046d069552f5c2824f36fcf95d409670208dc94b) Signed-off-by: Michael Niedermayer --- libavformat/mov.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 29b8718521..b0c6e69377 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -306,7 +306,8 @@ static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom) char *str = NULL; const char *key = NULL; uint16_t langcode = 0; - uint32_t data_type = 0, str_size, str_size_alloc; + uint32_t data_type = 0, str_size_alloc; + uint64_t str_size; int (*parse)(MOVContext*, AVIOContext*, unsigned, const char*) = NULL; int raw = 0; int num = 0;