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| author | Lei Zhang <thestig@chromium.org> | 2018-04-27 16:53:49 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-04-27 16:53:49 +0000 |
| commit | 0e3635c59e79e8ca782412fa1bcf377c7c4f980e (patch) | |
| tree | 4760b2948bf06f61b0c636c2d044a6be8a1d0f12 /core/fxcodec/jbig2 | |
| parent | b1b01de0285c77f16a72736bf6abeb9598743b0a (diff) | |
| download | pdfium-0e3635c59e79e8ca782412fa1bcf377c7c4f980e.tar.xz | |
Sanitize another image size in CJBig2_Context::parseHalftoneRegion().
BUG=chromium:836872
Change-Id: I0362fd7708043648bffa26c9248b401ea2793a21
Reviewed-on: https://pdfium-review.googlesource.com/31510
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Diffstat (limited to 'core/fxcodec/jbig2')
| -rw-r--r-- | core/fxcodec/jbig2/JBig2_Context.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/core/fxcodec/jbig2/JBig2_Context.cpp b/core/fxcodec/jbig2/JBig2_Context.cpp index 88c8cfa21c..c8095c8448 100644 --- a/core/fxcodec/jbig2/JBig2_Context.cpp +++ b/core/fxcodec/jbig2/JBig2_Context.cpp @@ -995,8 +995,10 @@ int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment, return JBIG2_ERROR_TOO_SHORT; } - if (pHRD->HGW == 0 || pHRD->HGH == 0) + if (pHRD->HGW == 0 || pHRD->HGW > JBIG2_MAX_IMAGE_SIZE || pHRD->HGH == 0 || + pHRD->HGH > JBIG2_MAX_IMAGE_SIZE) { return JBIG2_ERROR_FATAL; + } if (ri.width <= 0 || ri.width > JBIG2_MAX_IMAGE_SIZE || ri.height <= 0 || ri.height > JBIG2_MAX_IMAGE_SIZE) { |