VULNERABILITY INTELLIGENCE

CVE-2018-12293

CVSS score8.8 HIGH
EPSS probability10.39%
CISA KEVNot currently listed
Published2018-06-19
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-190: Integer Overflow or Wraparound
  • CWE-787: Out-of-bounds Write

Primary references