Merge pull request #2347 from kevinbackhouse/quicktimevideo-size-calc

Avoid potential integer overflow in QuickTimeVideo::userDataDecoder
2022-09-07 08:07:25 +01:00
parent 175e609ad0 bf4f28b727
commit 248215976d
1 changed files with 1 additions and 1 deletions
@@ -803,7 +803,7 @@ void QuickTimeVideo::userDataDecoder(size_t size_external) {

    tv = find(userDataReferencetags, Exiv2::toString(buf.data()));

-    if (size == 0 || (size - 12) <= 0)
+    if (size <= 12)
      break;

    else if (equalsQTimeTag(buf, "DcMD") || equalsQTimeTag(buf, "NCDT"))