poppler/JBIG2Stream.cc | 1 +
1 file changed, 1 insertion(+)
New commits:
commit 5161fa6f1ff9f7d2c19b5326aed6ad2858c30476
Author: Albert Astals Cid <[email protected]>
Date: Sat Feb 20 22:30:14 2021 +0100
Fix memory leak in broken file in JBIG2Stream::readGenericBitmap
It could happen that codingLine succeeds but refLine fails because we're
just on the edge of the allocatable memory so free codingLine just in
case
diff --git a/poppler/JBIG2Stream.cc b/poppler/JBIG2Stream.cc
index 6bda5f92..70996085 100644
--- a/poppler/JBIG2Stream.cc
+++ b/poppler/JBIG2Stream.cc
@@ -2807,6 +2807,7 @@ std::unique_ptr<JBIG2Bitmap>
JBIG2Stream::readGenericBitmap(bool mmr, int w, int
refLine = (int *)gmallocn_checkoverflow(w + 2, sizeof(int));
if (unlikely(!codingLine || !refLine)) {
+ gfree(codingLine);
error(errSyntaxError, curStr->getPos(), "Bad width in JBIG2
generic bitmap");
return nullptr;
}
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