Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-46055
CVE-2021-46055:
NixOS vulnerability analysis and mitigation
Overview
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::visitRethrow(wasm::Rethrow*). The vulnerability was discovered and disclosed in January 2022 and affects Binaryen version 104 (NVD, CVE).
Technical details
The vulnerability is caused by an assertion failure in the wasm::Builder::makeFunction component when processing WebAssembly binary files. The issue triggers when the type.isSignature() assertion check fails during function creation. The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (MEDIUM) with vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (NVD).
Impact
When exploited, this vulnerability can lead to a Denial of Service condition through an assertion abort in the application. The impact is limited to availability, with no direct impact on confidentiality or integrity of the system (NVD).
Mitigation and workarounds
Users are advised to upgrade to an unaffected version of Binaryen. The vulnerability affects version 104, and users should update to a patched version when available (Debian Tracker).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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