CVE-2018-15858: Null Pointer Dereference
First published: Sat Aug 25 2018(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/libxkbcommon | 1.0.3-2 1.5.0-1 1.6.0-1 | |
| libxkbcommon-dev | <0.8.1 | |
| dbus-common | <0.8.1 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| Ubuntu Libxkbcommon0 | <0.8.1 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 |
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Reference Links
- https://github.com/xkbcommon/libxkbcommon/commit/badb428e63387140720f22486b3acbd3d738859f
- https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html
- https://security.gentoo.org/glsa/201810-05
- https://usn.ubuntu.com/3786-1/
- https://usn.ubuntu.com/3786-2/
- https://launchpad.net/bugs/cve/CVE-2018-15858
- https://security-tracker.debian.org/tracker/CVE-2018-15858
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15858
- https://nvd.nist.gov/vuln/detail/CVE-2018-15858
- https://ubuntu.com/security/CVE-2018-15858
Frequently Asked Questions
What is the severity of CVE-2018-15858?
CVE-2018-15858 has been classified as a high severity vulnerability due to its potential to crash the xkbcommon parser through NULL pointer dereference.
How do I fix CVE-2018-15858?
To fix CVE-2018-15858, update to libxkbcommon version 0.8.1 or later.
What type of attack does CVE-2018-15858 allow?
CVE-2018-15858 allows local attackers to execute a denial-of-service attack by supplying a crafted keymap file.
Which software is affected by CVE-2018-15858?
CVE-2018-15858 affects libxkbcommon versions prior to 0.8.1 across various Linux distributions.
Can I exploit CVE-2018-15858 remotely?
No, CVE-2018-15858 requires local access to exploit by providing a malicious keymap file.
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