diff options
| author | Hubert Figuière <hub@figuiere.net> | 2017-08-02 23:16:10 -0400 |
|---|---|---|
| committer | Hubert Figuière <hub@figuiere.net> | 2017-08-02 23:16:59 -0400 |
| commit | 9e76a7782a54a242f18d609e7ba32bf1c430a5e4 (patch) | |
| tree | 5cec9a20fce176769eca8941cfa1aa4837365ec9 | |
| parent | 6ac03205c28418ccde64aa85ad084083fba7eb39 (diff) | |
Bug 101913 - Prevent an assert from being reached with a corrupt file
- In VPXChunk::width() and VPXChunk::height() ensure val isn't 0.
| -rw-r--r-- | XMPFiles/source/FormatSupport/WEBP_Support.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/XMPFiles/source/FormatSupport/WEBP_Support.cpp b/XMPFiles/source/FormatSupport/WEBP_Support.cpp index 2b007de..a211697 100644 --- a/XMPFiles/source/FormatSupport/WEBP_Support.cpp +++ b/XMPFiles/source/FormatSupport/WEBP_Support.cpp @@ -141,7 +141,7 @@ XMP_Uns32 VP8XChunk::width() } void VP8XChunk::width(XMP_Uns32 val) { - PutLE24(&this->data[4], val - 1); + PutLE24(&this->data[4], val > 0 ? val - 1 : 0); } XMP_Uns32 VP8XChunk::height() { @@ -149,7 +149,7 @@ XMP_Uns32 VP8XChunk::height() } void VP8XChunk::height(XMP_Uns32 val) { - PutLE24(&this->data[7], val - 1); + PutLE24(&this->data[7], val > 0 ? val - 1 : 0); } bool VP8XChunk::xmp() { |