CVE-2018-12294
WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.2, is vulnerable to a use after free for a WebCore::TextureMapperLayer object.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.2, is vulnerable to a use after free for a WebCore::TextureMapperLayer object.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.33% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- webkit/webkitgtk\+
- Source
- cve@mitre.org
EPSS 2.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2018/06/14/1Mailing List
- http://www.securityfocus.com/archive/1/542087/100/0/threaded
- https://bugs.webkit.org/show_bug.cgi?id=184729Permissions Required, Vendor Advisory
- https://security.gentoo.org/glsa/201808-04
- https://trac.webkit.org/changeset/231300/webkitVendor Advisory
- http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2018/06/14/1Mailing List
- http://www.securityfocus.com/archive/1/542087/100/0/threaded
- https://bugs.webkit.org/show_bug.cgi?id=184729Permissions Required, Vendor Advisory
- https://security.gentoo.org/glsa/201808-04
- https://trac.webkit.org/changeset/231300/webkitVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.