Heap Overflow Vulnerability in libXcursor
Summary
CVE-2015-9262: _XcursorThemeInherits in library.c in libXcursor before 1.1.15 allows remote attackers to cause denial of service or potentially code execution via a one-byte heap overflow. Affects libxcursor versions < 1:1.1.15-1. Fixed in 1:1.1.15-1. How to fix ↓
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Background
libXcursor is a library that provides support for the X Window System cursor management. It allows applications to create and manipulate cursor themes. This vulnerability, identified as CVE-2015-9262, affects versions of libXcursor prior to 1.1.15. The vulnerability can be exploited remotely, potentially leading to denial of service or code execution through a one-byte heap overflow.
Vulnerability Detail
The vulnerability, known as CVE-2015-9262, originates from the _XcursorThemeInherits function in library.c within libXcursor. By exploiting this vulnerability, remote attackers can trigger a one-byte heap overflow. This can result in various consequences, including denial of service or potential code execution.
How To Fix
Minimum fixed version
1:1.1.15-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libxcursorTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is crucial to apply the recommended fix by updating libXcursor to the patched version.
Conclusion
The heap overflow vulnerability in libXcursor (CVE-2015-9262) can have severe consequences, including denial of service or potential code execution. It is crucial to update libXcursor to version 1.1.15 or later to mitigate this vulnerability. For further support and assistance with vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for libxcursor →
FAQ
libXcursor is a library that provides support for cursor themes in the X Window System.
The vulnerability can be exploited remotely and may result in denial of service or potential code execution.
To fix this vulnerability, update libXcursor to version 1.1.15 or later.
No, there is no known workaround for this vulnerability.
You can obtain the updated version of libXcursor from the official libXcursor website or through your package manager.
Related vulnerabilities
Recent vulnerabilities recorded for libxcursor.
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