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authorLei Zhang <thestig@chromium.org>2018-04-27 16:53:49 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-04-27 16:53:49 +0000
commit0e3635c59e79e8ca782412fa1bcf377c7c4f980e (patch)
tree4760b2948bf06f61b0c636c2d044a6be8a1d0f12 /core/fxcodec/jbig2
parentb1b01de0285c77f16a72736bf6abeb9598743b0a (diff)
downloadpdfium-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.cpp4
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) {