Heap-based Buffer Overflow in getImageData function in ImageBufferCairo

CVE-2018-12293 · MEDIUM Severity

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

The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.3 and WPE WebKit prior to version 2.20.1, is vulnerable to a heap-based buffer overflow triggered by an integer overflow, which could be abused by crafted HTML content.

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