SB2018082410 - Fedora 28 update for libxkbcommon
Published: August 24, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018082410
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2018-15853)
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to endless recursion exists in xkbcomp/expr.c during insufficient validation of user-supplied input. A local attacker can supply a specially crafted keymap file, trigger boolean negation and cause the application to crash.
Remediation
Install update from vendor's website.