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author | Eirik Aavitsland <eirik.aavitsland@theqtcompany.com> | 2015-03-11 09:00:41 +0100 |
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committer | aavit <eirik.aavitsland@theqtcompany.com> | 2015-03-13 09:07:33 +0000 |
commit | d3048a29797ee2d80d84bbda26bb3c954584f332 (patch) | |
tree | 74f84b8c679cecb44c072ae5b3723fd358690b46 /src/gui/image | |
parent | afaf8a1650d405c2e099178ccc61ec8d12a154e9 (diff) |
Fixes crash in gif image decoder
Fuzzing test revealed that for certain malformed gif files,
qgifhandler would segfault.
Change-Id: I5bb6f60e1c61849e0d8c735edc3869945e5331c1
Reviewed-by: Richard J. Moore <rich@kde.org>
Diffstat (limited to 'src/gui/image')
-rw-r--r-- | src/gui/image/qgifhandler.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/image/qgifhandler.cpp b/src/gui/image/qgifhandler.cpp index 03e46ab578..8d8c4aef7d 100644 --- a/src/gui/image/qgifhandler.cpp +++ b/src/gui/image/qgifhandler.cpp @@ -936,6 +936,8 @@ void QGIFFormat::fillRect(QImage *image, int col, int row, int w, int h, QRgb co void QGIFFormat::nextY(unsigned char *bits, int bpl) { + if (out_of_bounds) + return; int my; switch (interlace) { case 0: // Non-interlaced |