diff options
Diffstat (limited to 'src/SFilePatchArchives.cpp')
| -rw-r--r-- | src/SFilePatchArchives.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/SFilePatchArchives.cpp b/src/SFilePatchArchives.cpp index 840f86c..e2c59b4 100644 --- a/src/SFilePatchArchives.cpp +++ b/src/SFilePatchArchives.cpp @@ -277,6 +277,8 @@ static int ApplyFilePatch_BSD0( // Get the longest block that we can combine
dwCombineSize = ((dwOldOffset + dwAddDataLength) >= dwOldSize) ? (dwOldSize - dwOldOffset) : dwAddDataLength;
+ if((dwNewOffset + dwCombineSize) > dwNewSize || (dwNewOffset + dwCombineSize) < dwNewOffset)
+ return ERROR_FILE_CORRUPT;
// Now combine the patch data with the original file
for(i = 0; i < dwCombineSize; i++)
|