Critical Security Update for Wireshark: Access of Uninitialized Pointer Vulnerability
Summary
ALSA-2025:23142: Important: wireshark security update. Affects wireshark versions < 1:3.4.10-8.el9_7.1. Fixed in 1:3.4.10-8.el9_7.1. How to fix ↓
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Background
Wireshark is a widely-used network protocol analyzer that allows users to capture and interactively browse the traffic running on a computer network. It is essential for network troubleshooting, analysis, software and communications protocol development, and education. The tool provides deep inspection of hundreds of protocols and live capture and offline analysis capabilities. However, it is susceptible to vulnerabilities that can compromise network security, such as the one identified in CVE-2025-13499.
Vulnerability Detail
The vulnerability identified as CVE-2025-13499 involves the access of an uninitialized pointer in Wireshark. This flaw can lead to undefined behavior, which may result in crashes or the execution of arbitrary code. The origin of this vulnerability lies in improper handling of memory, which can be exploited by attackers to manipulate the application’s behavior. The ramifications of this vulnerability are significant, as it can potentially allow unauthorized access to sensitive network data or disrupt network operations.
How To Fix
Minimum fixed version
1:3.4.10-8.el9_7.1
This is the first release that contains the fix.
sudo dnf update wiresharkTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, no specific workarounds have been provided for this vulnerability. The best course of action is to apply the security update as soon as it is available.
Conclusion
In summary, the vulnerability CVE-2025-13499 in Wireshark poses a significant risk due to the access of an uninitialized pointer. It is crucial for users to update their Wireshark installations to the latest patched version to mitigate potential security threats. Regular monitoring and prompt updates are essential for maintaining network security.
See every vulnerability recorded for wireshark →
FAQ
CVE-2025-13499 is a security vulnerability in Wireshark that involves the access of an uninitialized pointer, which can lead to crashes or arbitrary code execution.
You can check your version of Wireshark by running 'wireshark --version' in your terminal. If it is below 1:3.4.10-8.el9_7.1, it is affected.
If you cannot update immediately, ensure that your network is monitored closely for any unusual activity and consider limiting access to Wireshark until the update can be applied.
More information can be found on the CVE page for CVE-2025-13499, which provides detailed insights into the vulnerability and its implications.
Vulert monitors open-source vulnerabilities in your software by analyzing a manifest file like package-lock.json. It alerts you in real-time about any vulnerabilities affecting your application.
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