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Vulnerability DatabaseRUSTSEC-2023-0021
RUSTSEC-2023-0021:
Rust vulnerability analysis and mitigation
Overview
A null pointer dereference vulnerability was discovered in the stbimage library, tracked as RUSTSEC-2023-0021. The issue occurs in the stbimage.h file where a null pointer could be dereferenced in the stbiconvert_format function after stbipicloadcore returns 0, potentially leading to application crashes (GitHub PR).
Technical details
The vulnerability exists in the image loading process where if the stbipicloadcore function returns 0, the result pointer is freed and set to 0. Subsequently, this null pointer is dereferenced in the stbiconvert_format function on line 5416, which leads to a crash. The issue specifically affects the PIC image format handling in the library (GitHub PR).
Impact
When exploited, this vulnerability can cause the application to crash due to the null pointer dereference, potentially leading to denial of service conditions in applications using the stb_image library (GitHub PR).
Mitigation and workarounds
The issue has been fixed in stb_image version 0.2.5. Users are advised to upgrade to this version or later to mitigate the vulnerability (GitHub PR).
Additional resources
Source: This report was generated using AI
Related Rust vulnerabilities:
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