SB2018022620 - Fedora 27 update for libXcursor
Published: February 26, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018022620
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2017-16612)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when processing malicious cursors in libXcursor library. A remote attacker can use a specially crafted cursor to trigger heap-based buffer overflow and execute arbitrary code on the target system via the application, which uses the vulnerable library, such as GIMP.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.