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Vulnerability DatabaseCVE-2022-28048
CVE-2022-28048:
Linux Debian vulnerability analysis and mitigation
Overview
STB v2.27 was discovered to contain an integer shift of invalid size vulnerability in the component stbi_jpegdecodeblockprog_ac. The vulnerability was identified and tracked as CVE-2022-28048, affecting the STB image loading library (NVD, Debian Tracker).
Technical details
The vulnerability involves an invalid shift operation where the code attempts to perform a shift operation with an exponent that is too large (32) for a 32-bit unsigned integer type. This occurs specifically in the stbi_jpegdecodeblockprog_ac component of the JPEG decoder implementation (GitHub Issue).
Impact
The vulnerability could lead to undefined behavior in applications using the STB library for image processing, potentially resulting in application crashes or denial of service conditions (Fedora Update).
Mitigation and workarounds
The issue has been fixed in subsequent releases through a patch that adds proper validation of shift operations. Users are advised to update to the fixed version. Multiple Linux distributions have released security updates to address this vulnerability, including Fedora and Debian (Fedora Update).
Additional resources
Source: This report was generated using AI
Related Linux Debian vulnerabilities:
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