Heap-based Buffer Over-read in JPXStream::init in Poppler

CVE-2019-12293 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

In Poppler through 0.76.1, there is a heap-based buffer over-read in JPXStream::init in JPEG2000Stream.cc via data with inconsistent heights or widths.

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