NULL Pointer Dereference in JPXStream::readUByte Function in poppler 0.54.0

CVE-2017-9083 · MEDIUM Severity

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

poppler 0.54.0, as used in Evince and other products, has a NULL pointer dereference in the JPXStream::readUByte function in JPXStream.cc. For example, the perf_test utility will crash (segmentation fault) when parsing an invalid PDF file.

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