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| author | rmax <rmax> | 2007-09-11 18:01:45 (GMT) |
|---|---|---|
| committer | rmax <rmax> | 2007-09-11 18:01:45 (GMT) |
| commit | a031afb7b2e2142bb387cdd3c22f130ce6080890 (patch) | |
| tree | 43e8911e117b031a2199690827934e981b0f9df7 /generic/tkImgGIF.c | |
| parent | 5b120a5094c102be3b3eef3d62cdd9680921c5f0 (diff) | |
| download | tk-a031afb7b2e2142bb387cdd3c22f130ce6080890.zip tk-a031afb7b2e2142bb387cdd3c22f130ce6080890.tar.gz tk-a031afb7b2e2142bb387cdd3c22f130ce6080890.tar.bz2 | |
* generic/tkImgGIF.c: Fixed a buffer overrun that got triggered by
multi-frame interlaced GIFs that contain subsequent frames that
are smaller than the first one.
* tests/imgPhoto.test: Added a test for the above.
Diffstat (limited to 'generic/tkImgGIF.c')
| -rw-r--r-- | generic/tkImgGIF.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/generic/tkImgGIF.c b/generic/tkImgGIF.c index d4e5d39..c8588bc 100644 --- a/generic/tkImgGIF.c +++ b/generic/tkImgGIF.c @@ -29,7 +29,7 @@ * | provided "as is" without express or implied warranty. | * +-------------------------------------------------------------------+ * - * RCS: @(#) $Id: tkImgGIF.c,v 1.24.2.4 2006/03/27 12:13:56 dkf Exp $ + * RCS: @(#) $Id: tkImgGIF.c,v 1.24.2.5 2007/09/11 18:01:45 rmax Exp $ */ /* @@ -995,7 +995,7 @@ ReadImage(interp, imagePtr, chan, len, rows, cmap, */ if (interlace) { ypos += interlaceStep[pass]; - while (ypos >= height) { + while (ypos >= rows) { pass++; if (pass > 3) { return TCL_OK; |