CVE-2018-12293
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductCanonical Ubuntu Linux
PublishedJun 19, 2018
First seenJun 19, 2018
How to fix
Update
- webkitgtk webkitgtk\+2.20.3 or later
- wpewebkit wpe_webkit2.20.1 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| canonical ubuntu_linux | 16.04, 17.10, 18.04 | — |
| webkitgtk webkitgtk\+ | v < 2.20.3 | 2.20.3 |
| wpewebkit wpe_webkit | v < 2.20.1 | 2.20.1 |
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