CVSS v3
8.8
HIGH
EPSS Score
39.0%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
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.
Active exploitation of CVE-2018-12293 has not been confirmed. The EPSS score is 39.0%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2018-12293 has a CVSS v3 base score of 8.8 (HIGH severity).
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Ranked by exploit probability (EPSS).