CVE-2018-12293
gir1.2-javascriptcoregtk-4.0: The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in We...
CVE-2018-12293 is fixed in 7 products on 1 platform, first by gir1.2-javascriptcoregtk-4.0 2.20.3-0ubuntu0.18.04.1, released April 3, 2019. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.1003
95th percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gir1.2-javascriptcoregtk-4.0 · Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | gir1.2-javascriptcoregtk-4.0 2.20.3-0ubuntu0.18.04.1 | Apr 3, 2019 |
| gir1.2-webkit2-4.0 · Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | gir1.2-webkit2-4.0 2.20.3-0ubuntu0.18.04.1 | Apr 3, 2019 |
| libjavascriptcoregtk-4.0-18 · Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | libjavascriptcoregtk-4.0-18 2.20.3-0ubuntu0.18.04.1 | Apr 3, 2019 |
| libjavascriptcoregtk-4.0-bin · Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | libjavascriptcoregtk-4.0-bin 2.20.3-0ubuntu0.18.04.1 | Apr 3, 2019 |
| libwebkit2gtk-4.0-37 · Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | libwebkit2gtk-4.0-37 2.20.3-0ubuntu0.18.04.1 | Apr 3, 2019 |
| libwebkit2gtk-4.0-37-gtk2 · Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | libwebkit2gtk-4.0-37-gtk2 2.20.3-0ubuntu0.18.04.1 | Apr 3, 2019 |
| webkit2gtk-driver · Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | webkit2gtk-driver 2.20.3-0ubuntu0.18.04.1 | Apr 3, 2019 |