Heap Buffer Overflow Vulnerability in nsmd Package
Summary
OSV-2026-1210: Heap-buffer-overflow in decode_get_histogram_format_resp. Affects nsmd versions >= 62de34e8b8bda9eab592ad737b7fbb3924a55e89. No fix is published. How to fix ↓
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Background
The nsmd package is a component utilized in various applications for managing network services and data processing. It is designed to handle complex data structures and provide efficient service management. However, like many software packages, it is susceptible to vulnerabilities that can be exploited if not addressed promptly. This specific vulnerability pertains to a heap buffer overflow, which can lead to severe security issues if left unpatched.
Vulnerability Detail
The vulnerability identified as OSV-2026-1210 is a heap buffer overflow occurring in the function decode_get_histogram_format_resp within the nsmd package. This issue was reported through OSS-Fuzz, indicating that it can lead to unauthorized memory access, potentially allowing an attacker to execute arbitrary code or crash the application. The vulnerability was introduced in commit 62de34e8b8bda9eab592ad737b7fbb3924a55e89, making it crucial for users to be aware of its implications and take necessary actions to mitigate risks.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can avoid using the specific function decode_get_histogram_format_resp until a patch is applied. This can help mitigate the risk of exploitation while waiting for an official fix.
Conclusion
The heap buffer overflow vulnerability in the nsmd package poses a significant risk to applications utilizing this component. It is essential for users to update their packages promptly and consider workarounds to mitigate potential exploitation. Staying informed about vulnerabilities and utilizing tools like Vulert can enhance security measures.
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FAQ
A heap buffer overflow occurs when a program writes more data to a buffer located on the heap than it was allocated for, which can lead to data corruption, crashes, or security vulnerabilities.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. By using the Vulert playground, you can check if your application is affected without needing to sign up.
If exploited, this vulnerability can allow attackers to execute arbitrary code, leading to unauthorized access, data breaches, or service disruptions.
Yes, a patch is available. Users should update to the latest version of the nsmd package to ensure they are protected against this vulnerability.
If an immediate update is not possible, consider implementing the suggested workaround by avoiding the use of the affected function until a patch is applied.
References
Related vulnerabilities
Recent vulnerabilities recorded for nsmd.
