CVE-2021-45947
NixOS vulnerability analysis and mitigation

Overview

Wasm3 0.5.0 contains an out-of-bounds write vulnerability in the Runtime_Release function when called from EvaluateExpression and InitDataSegments functions (NVD, OSS-Fuzz). The vulnerability was discovered and disclosed in December 2021.

Technical details

The vulnerability is classified as an out-of-bounds write (CWE-787) vulnerability. It has been assigned a CVSS v3.1 base score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (NVD).

Impact

If exploited, this vulnerability could lead to a denial of service condition through memory corruption. The vulnerability affects the availability of the system but does not impact confidentiality or integrity (NVD).

Mitigation and workarounds

Users should upgrade from Wasm3 version 0.5.0 to a patched version of the software (NVD).

Additional resources


SourceThis report was generated using AI

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