[FFmpeg-devel] [PATCH 4/4] avformat/mov: add more checks for infe atom size

[James Almer]

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavformat/mov.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 9f6752b492..ba33e52086 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -8510,6 +8510,8 @@ static int mov_read_infe(MOVContext *c, AVIOContext *pb, MOVAtom atom, int idx)
     version = avio_r8(pb);
     avio_rb24(pb);  // flags.
     size -= 4;
+    if (size < 0)
+        return AVERROR_INVALIDDATA;
 
     if (version < 2) {
         avpriv_report_missing_feature(c->fc, "infe version < 2");
@@ -8521,6 +8523,8 @@ static int mov_read_infe(MOVContext *c, AVIOContext *pb, MOVAtom atom, int idx)
     avio_rb16(pb); // item_protection_index
     item_type = avio_rl32(pb);
     size -= 8;
+    if (size < 1)
+        return AVERROR_INVALIDDATA;
 
     av_bprint_init(&item_name, 0, AV_BPRINT_SIZE_UNLIMITED);
     ret = ff_read_string_to_bprint_overwrite(pb, &item_name, size);
-- 
2.45.2