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Vulnerability DatabaseCVE-2022-39974
CVE-2022-39974:
Python vulnerability analysis and mitigation
Overview
WASM3 v0.5.0 contains a segmentation fault vulnerability in the component opSelecti32srs located in wasm3/source/m3exec.h. The vulnerability was discovered and reported on August 29, 2022, and is tracked as CVE-2022-39974 (CVE Details, NVD).
Technical details
The vulnerability manifests as a segmentation fault in the opSelecti32srs function at line 1078 in wasm3/source/m3exec.h. The issue occurs during memory access operations, specifically when attempting to read from an invalid memory address. This was confirmed through debug analysis showing the crash occurring at the instruction 'mov eax, dword ptr [rcx]' where RCX contained an invalid memory address (GitHub Issue).
Impact
When exploited, this vulnerability can cause the WASM3 runtime to crash due to invalid memory access, resulting in a denial of service condition. The segmentation fault prevents normal operation of applications using the affected WASM3 version (GitHub Issue).
Additional resources
Source: This report was generated using AI
Related Python vulnerabilities:
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