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Vulnerability DatabaseCVE-2020-36646
CVE-2020-36646:
Linux Debian vulnerability analysis and mitigation
Overview
A vulnerability was identified in MediaArea ZenLib versions up to 0.4.38, affecting the Ztring function. The vulnerability was discovered and disclosed in January 2023, impacting the core functionality of the ZenLib C++ utility library (Ubuntu Security, NVD).
Technical details
The vulnerability is classified under CWE-690 (NULL Deref from Return) and CWE-476, where the application fails to check the return value of an operation before using it. Specifically, the issue involves potential null pointer dereferencing of the 'Gmt' pointer in the Ztring function (GitHub Commit).
Impact
If exploited, this vulnerability could allow an attacker to crash programs using the library through specially crafted input, potentially leading to denial of service conditions (Ubuntu Security).
Mitigation and workarounds
The vulnerability has been patched in version 0.4.39 of ZenLib, which includes fixes for thread-safe time-related functions and various other improvements. Users are advised to update their systems to the latest available package versions (GitHub Release, Ubuntu Security).
Additional resources
Source: This report was generated using AI
Related Linux Debian vulnerabilities:
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