poppler/GfxState.cc | 3 +++
1 file changed, 3 insertions(+)
New commits:
commit 62c7a6a135aa8c70f638bac9b41a11c4e69c8452
Author: Albert Astals Cid <[email protected]>
Date: Wed May 23 19:29:39 2018 +0200
GfxImageColorMap::GfxImageColorMap: Bail out early if bits <= 0
fixes oss-fuzz/8478
diff --git a/poppler/GfxState.cc b/poppler/GfxState.cc
index b76c52d9..f8509ce7 100644
--- a/poppler/GfxState.cc
+++ b/poppler/GfxState.cc
@@ -5697,6 +5697,9 @@ GfxImageColorMap::GfxImageColorMap(int bitsA, Object
*decode,
}
byte_lookup = nullptr;
+ if (unlikely(bits <= 0))
+ goto err1;
+
// get decode map
if (decode->isNull()) {
nComps = colorSpace->getNComps();
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