CVE-2018-12911
First published: Thu Jul 19 2018(Updated: )
WebKitGTK+ 2.20.3 has an off-by-one error, with a resultant out-of-bounds write, in the get_simple_globs functions in ThirdParty/xdgmime/src/xdgmimecache.c and ThirdParty/xdgmime/src/xdgmimeglob.c.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/webkit2gtk | <2.20.5-0ubuntu0.18.04.1 | 2.20.5-0ubuntu0.18.04.1 |
| ubuntu/webkit2gtk | <2.20.4 | 2.20.4 |
| ubuntu/webkit2gtk | <2.20.5-0ubuntu0.16.04.1 | 2.20.5-0ubuntu0.16.04.1 |
| Webkitgtk Webkitgtk\+ | =2.20.3 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| debian/webkit2gtk | 2.36.4-1~deb10u1 2.38.6-0+deb10u1 2.42.2-1~deb11u1 2.44.1-1~deb11u1 2.42.2-1~deb12u1 2.44.1-1~deb12u1 2.44.1-1 2.44.2-1 |
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Reference Links
- https://trac.webkit.org/changeset/233404/webkit
- https://usn.ubuntu.com/3743-1/
- https://launchpad.net/bugs/cve/CVE-2018-12911
- https://webkitgtk.org/security/WSA-2018-0006.html
- https://security-tracker.debian.org/tracker/CVE-2018-12911
- https://ubuntu.com/security/notices/USN-3743-1
- https://www.cve.org/CVERecord?id=CVE-2018-12911
- https://nvd.nist.gov/vuln/detail/CVE-2018-12911
- https://ubuntu.com/security/CVE-2018-12911
Frequently Asked Questions
What is CVE-2018-12911?
CVE-2018-12911 is a vulnerability in WebKitGTK+ 2.20.3 that allows an off-by-one error and an out-of-bounds write in the get_simple_globs functions.
How severe is CVE-2018-12911?
CVE-2018-12911 has a severity rating of 9.8 (critical).
Which software versions are affected by CVE-2018-12911?
WebKitGTK+ versions 2.20.3, 2.20.4, and 2.36.4-2.42.1 are affected by CVE-2018-12911.
What is the recommended remedy for CVE-2018-12911?
Upgrade to WebKitGTK+ version 2.20.5-0ubuntu0.18.04.1 for Ubuntu or apply the relevant updates provided by your Linux distribution or vendor.
Where can I find more information about CVE-2018-12911?
You can find more information about CVE-2018-12911 at the following references: [CVE-2018-12911](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12911), [WSA-2018-0006](https://webkitgtk.org/security/WSA-2018-0006.html), [USN-3743-1](https://ubuntu.com/security/notices/USN-3743-1).
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- vendor/webkitgtk
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- vendor/canonical
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- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04