N/A

CVSS Score

-

CVSS Score

Basic Information

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GHSA-4h96-mv53-2c86

GHSA-4h96-mv53-2c86: fast_id_map has a soundness issue and is unmaintained

FastMap::get() lacks sufficient checks to its parameter index and is used to unsafely get a Vec element.

fast_id_map is unmaintained.

(GitHub Advisory)

Miggo Vulnerability Database

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GHSA-4h96-mv53-2c86

GHSA-4h96-mv53-2c86:

N/A

CVSS Score

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
fast_id_map	rust	<= 0.1.0

Technical Details

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Root Cause Analysis

The RustSec advisory RUSTSEC-2025-0034 directly names fast_id_map::FastMap::get as the affected function due to insufficient checks on its index parameter, leading to potential unsafe memory access. Attempts to fetch the source code from the GitHub repository 'Bruce0203/fast_map' failed (404 Not Found), so direct code patch analysis is not possible. However, the advisory is a reliable source for identifying the vulnerable function in this unmaintained crate. The file path src/lib.rs is a common convention for Rust library code and is assumed based on the typical structure of Rust projects, although it could not be directly verified from the repository content due to the 404 error. The confidence is high based on the explicit mention in the security advisory, despite the lack of direct code access for patch analysis. The vulnerability is due to improper input validation (CWE-20).

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

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WAF Protection Rules

WAF Rule

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Reasoning

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