CVE-2018-15854: 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 |
|---|---|---|
| redhat/libxkbcommon | <0.8.1 | 0.8.1 |
| debian/libxkbcommon | 1.0.3-2 1.5.0-1 1.6.0-1 | |
| libxkbcommon-x11 | <0.8.1 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2019:2079
- https://github.com/xkbcommon/libxkbcommon/commit/e3cacae7b1bfda0d839c280494f23284a1187adf
- 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-2018-15854
- https://access.redhat.com/security/cve/cve-2018-15854
- https://bugzilla.redhat.com/show_bug.cgi?id=1623012
- https://security-tracker.debian.org/tracker/CVE-2018-15854
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15854
- https://nvd.nist.gov/vuln/detail/CVE-2018-15854
- https://ubuntu.com/security/CVE-2018-15854
Frequently Asked Questions
What is the severity of CVE-2018-15854?
CVE-2018-15854 has a severity rating that indicates it allows local attackers to crash the xkbcommon parser.
How do I fix CVE-2018-15854?
To fix CVE-2018-15854, update libxkbcommon to version 0.8.1 or later for Red Hat, or to versions 1.0.3-2, 1.5.0-1, or 1.6.0-1 for Debian.
What versions of libxkbcommon are affected by CVE-2018-15854?
CVE-2018-15854 affects all versions of libxkbcommon prior to 0.8.1.
Who can exploit CVE-2018-15854 and how?
CVE-2018-15854 can be exploited by local attackers who supply a crafted keymap file to trigger a NULL pointer dereference.
Is there a specific operating system vulnerable to CVE-2018-15854?
Yes, Ubuntu versions 14.04, 16.04, and 18.04 are among the operating systems vulnerable to CVE-2018-15854.
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