Uninitialized Memory Disclosure in libjpeg-turbo

Uninitialized Memory Disclosure in libjpeg-turbo

CVE-2013-6630 · MEDIUM Severity

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

The get_dht function in jdmarker.c in libjpeg-turbo through 1.3.0, as used in Google Chrome before 31.0.1650.48 and other products, does not set all elements of a certain Huffman value array during the reading of segments that follow Define Huffman Table (DHT) JPEG markers, which allows remote attackers to obtain sensitive information from uninitialized memory locations via a crafted JPEG image.

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