An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function SampleInterleavedLSScan::ParseMCU() located in sampleinterleavedlsscan.cpp. It allows an attacker to cause Denial of Service.
The product dereferences a pointer that it expects to be valid but is NULL.
Link | Tags |
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https://github.com/thorfdbg/libjpeg/issues/37 | third party advisory issue tracking exploit |