{"id":"CVE-2018-12293","aliases":["DEBIAN-CVE-2018-12293","EUVD-2018-4267","GHSA-g7g2-cvmj-5ppx","UBUNTU-CVE-2018-12293","USN-3687-1"],"status":"published","title":"The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo...","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.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.10033,"percentile":0.95646,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-190","CWE-787"],"published":"2018-06-14T00:00:00Z","modified":"2026-10-23T18:02:58Z","exploits":[{"source":"exploitdb","id":"EDB-45205","title":"WebkitGTK+ 2.20.3 - 'ImageBufferCairo::getImageData()' Buffer Overflow (PoC)","type":"local","platform":"linux","date":"2018-08-16","url":"https://www.exploit-db.com/exploits/45205"}],"fixes":[{"ecosystem":"Debian:12","package":"webkit2gtk","fixed_in":["2.20.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"webkit2gtk","fixed_in":["2.20.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"webkit2gtk","fixed_in":["2.20.3-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"webkit2gtk","fixed_in":["2.20.3-0ubuntu0.16.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"webkit2gtk","fixed_in":["2.20.3-0ubuntu0.18.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"webkit2gtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"webkit2gtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"webkit2gtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.3-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"webkit2gtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.3-0ubuntu0.16.04.1"}]}],"versions":["2.8.5+dfsg1-3","2.10.3+dfsg1-1","2.10.4+dfsg1-1","2.10.5-1","2.10.6-1","2.10.6-1ubuntu1","2.10.8-1ubuntu1","2.10.9-1ubuntu1","2.12.5-0ubuntu0.16.04.1","2.14.2-0ubuntu0.16.04.1","2.14.3-0ubuntu0.16.04.1","2.14.5-0ubuntu0.16.04.1","2.16.1-0ubuntu0.16.04.1","2.16.1-0ubuntu0.16.04.2","2.16.2-0ubuntu0.16.04.1","2.16.3-0ubuntu0.16.04.1","2.16.6-0ubuntu0.16.04.1","2.18.0-0ubuntu0.16.04.2","2.18.3-0ubuntu0.16.04.1","2.18.4-0ubuntu0.16.04.1","2.18.5-0ubuntu0.16.04.1","2.18.6-0ubuntu0.16.04.1","2.20.1-0ubuntu0.16.04.1","2.20.2-0ubuntu0.16.04.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"qtwebkit-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.2+dfsg-1ubuntu2.1","5.5.1+dfsg-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"qtwebkit-source","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.2-0ubuntu10","2.3.2-0ubuntu11"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"webkitgtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.9-2ubuntu2","2.4.10-0ubuntu1","2.4.11-0ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"webkit2gtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.3-0ubuntu0.18.04.1"}]}],"versions":["2.18.0-2","2.18.0-2build1","2.18.2-1","2.18.3-1","2.18.4-1","2.18.6-1","2.19.91-1ubuntu1","2.19.92-1","2.20.0-1","2.20.0-2","2.20.0-2ubuntu1","2.20.1-1","2.20.2-0ubuntu0.18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"qtwebkit-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.1+dfsg-5ubuntu1","5.9.1+dfsg-5ubuntu3","5.212.0~alpha2-5build2","5.212.0~alpha2-5build4","5.212.0~alpha2-7","5.212.0~alpha2-7build2","5.212.0~alpha2-7ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"qtwebkit-source","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.2-0ubuntu13"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"webkitgtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.11-3","2.4.11-3ubuntu2","2.4.11-3ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"qtwebkit-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.212.0~alpha3-3","5.212.0~alpha3-5","5.212.0~alpha3-6","5.212.0~alpha3-7","5.212.0~alpha4-1","5.212.0~alpha4-1ubuntu1","5.212.0~alpha4-1ubuntu2","5.212.0~alpha4-1ubuntu2.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"qtwebkit-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.212.0~alpha4-12","5.212.0~alpha4-13","5.212.0~alpha4-14","5.212.0~alpha4-14build1","5.212.0~alpha4-14ubuntu2","5.212.0~alpha4-15ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"qtwebkit-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.212.0~alpha4-33","5.212.0~alpha4-33build1","5.212.0~alpha4-34","5.212.0~alpha4-34ubuntu3","5.212.0~alpha4-34ubuntu4","5.212.0~alpha4-36"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"webkit2gtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.3-0ubuntu0.16.04.1"}]}],"versions":["2.8.5+dfsg1-3","2.10.3+dfsg1-1","2.10.4+dfsg1-1","2.10.5-1","2.10.6-1","2.10.6-1ubuntu1","2.10.8-1ubuntu1","2.10.9-1ubuntu1","2.12.5-0ubuntu0.16.04.1","2.14.2-0ubuntu0.16.04.1","2.14.3-0ubuntu0.16.04.1","2.14.5-0ubuntu0.16.04.1","2.16.1-0ubuntu0.16.04.1","2.16.1-0ubuntu0.16.04.2","2.16.2-0ubuntu0.16.04.1","2.16.3-0ubuntu0.16.04.1","2.16.6-0ubuntu0.16.04.1","2.18.0-0ubuntu0.16.04.2","2.18.3-0ubuntu0.16.04.1","2.18.4-0ubuntu0.16.04.1","2.18.5-0ubun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Required","Vendor Advisory","report"]},{"url":"https://security.gentoo.org/glsa/201808-04","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/archive/1/542087/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"https://www.exploit-db.com/exploits/45205/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","web"]},{"url":"https://trac.webkit.org/changeset/232618","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","Vendor Advisory","fix"]},{"url":"https://usn.ubuntu.com/3687-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2018/06/14/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Technical Description","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-12293"},{"url":"https://github.com/advisories/GHSA-g7g2-cvmj-5ppx"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-12293","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-12293","tags":["report"]},{"url":"https://webkitgtk.org/security/WSA-2018-0005.html","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3687-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-12293","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-4190","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-4199","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-4218","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-4222","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-4232","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-4233","tags":["report"]}],"sources":{"cve":[{"id":"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.","status":"published","published":"2018-06-19T21:00:00Z","modified":"2024-08-05T08:30:59.6Z","updated_at":"2026-11-02T14:35:06.679212Z"}],"euvd":[{"id":"EUVD-2018-4267","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.","status":"published","published":"2018-06-19T21:00:00Z","modified":"2024-08-05T08:30:59Z","updated_at":"2026-11-03T02:39:53.14558Z"}],"ghsa":[{"id":"GHSA-g7g2-cvmj-5ppx","title":"The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo...","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.","status":"published","published":"2022-05-13T01:19:01Z","modified":"2023-02-01T05:05:43Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:16.912878Z"}],"nvd":[{"id":"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.","status":"published","published":"2018-06-19T21:29:00.957Z","modified":"2026-06-17T01:37:29.9Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-190","CWE-787"],"updated_at":"2026-11-02T14:04:29.837913Z"}],"osv":[{"id":"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.","status":"published","published":"2018-06-19T21:29:00.957Z","modified":"2026-03-15T22:18:43.139647Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:07.934182Z"},{"id":"DEBIAN-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.","status":"published","published":"2018-06-19T21:29:00.957Z","modified":"2026-10-23T18:02:58.505483278Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:30.290351Z"},{"id":"UBUNTU-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.","status":"published","published":"2018-06-14T00:00:00Z","modified":"2026-04-22T11:43:22.731424Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:16.544091Z"},{"id":"USN-3687-1","title":"webkit2gtk vulnerabilities","description":"A large number of security issues were discovered in the WebKitGTK+ Web and\nJavaScript engines. If a user were tricked into viewing a malicious\nwebsite, a remote attacker could exploit a variety of issues related to web\nbrowser security, including cross-site scripting attacks, denial of service\nattacks, and arbitrary code execution.\n","status":"published","published":"2018-06-18T11:51:40Z","modified":"2026-04-22T09:47:01.179418Z","updated_at":"2026-11-02T16:58:13.496563Z"}]}}