High severity8.8NVD Advisory· Published Jun 19, 2018· Updated Jun 17, 2026
CVE-2018-12293
CVE-2018-12293
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.
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Affected products
9- Range: <2.20.1
cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*range: <2.20.1
- (no CPE)range: <2.20.1
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*+ 2 more
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Patches
Vulnerability mechanics
References
8- trac.webkit.org/changeset/232618nvdPatchThird Party AdvisoryVendor Advisory
- packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.htmlnvdThird Party AdvisoryVDB Entry
- bugs.webkit.org/show_bug.cginvdPermissions RequiredVendor Advisory
- usn.ubuntu.com/3687-1/nvdThird Party Advisory
- www.openwall.com/lists/oss-security/2018/06/14/1nvdMailing ListTechnical Description
- www.securityfocus.com/archive/1/542087/100/0/threadednvd
- security.gentoo.org/glsa/201808-04nvd
- www.exploit-db.com/exploits/45205/nvd
News mentions
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