Moderate: libX11 security update
Summary
ALSA-2024:2145: Moderate: libX11 security update. Affects libX11 versions < 1.7.0-9.el9. Fixed in 1.7.0-9.el9. How to fix ↓
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Background
The libX11 packages contain the core X11 protocol client library. This library is responsible for handling the communication between X Window System clients and the X server. It provides functions for creating windows, handling input events, and managing graphics resources. The libX11 library is widely used in Linux distributions and is an essential component for graphical applications.
Vulnerability Detail
The libX11 library is affected by multiple security vulnerabilities:
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CVE-2023-43785: This vulnerability allows an attacker to perform an out-of-bounds memory access in the _XkbReadKeySyms() function. By exploiting this vulnerability, an attacker can potentially execute arbitrary code or cause a denial of service.
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CVE-2023-43786: This vulnerability can lead to stack exhaustion due to infinite recursion in the PutSubImage() function. An attacker can exploit this vulnerability to crash the application or potentially execute arbitrary code.
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CVE-2023-43787: This vulnerability is an integer overflow in the XCreateImage() function, which can lead to a heap overflow. An attacker can exploit this vulnerability to execute arbitrary code or cause a denial of service.
How To Fix
Minimum fixed version
1.7.0-9.el9
This is the first release that contains the fix.
sudo dnf update libX11Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There are no known workarounds for these vulnerabilities. It is strongly recommended to apply the security update as soon as possible.
Conclusion
The libX11 library is affected by multiple security vulnerabilities that can potentially allow an attacker to execute arbitrary code, cause a denial of service, or crash the application. To mitigate these risks, it is crucial to update the libX11 packages to version 1.7.0-9.el9 or later. For further support on vulnerability remediation, you can reach out to DevNack.com.
See every vulnerability recorded for libX11 →
FAQ
libX11 is the core X11 protocol client library that provides functions for creating windows, handling input events, and managing graphics resources.
The security vulnerabilities in libX11 include out-of-bounds memory access, stack exhaustion from infinite recursion, and integer overflow leading to a heap overflow.
These vulnerabilities can potentially allow an attacker to execute arbitrary code, cause a denial of service, or crash the application.
To fix these vulnerabilities, update the libX11 packages to version 1.7.0-9.el9 or later using the package manager of your Linux distribution.
There are no known workarounds for these vulnerabilities. It is recommended to apply the security update.
Related vulnerabilities
Recent vulnerabilities recorded for libX11.
