Vulnerability DatabaseRUSTSEC-2025-0016

RUSTSEC-2025-0016
Rust vulnerability analysis and mitigation

Overview

RUSTSEC-2025-0016 is a soundness issue discovered in the Rust crate 'pared', specifically affecting its Parc (Partially Owned Reference Counting) implementation. The vulnerability was reported on February 20, 2025, and involves potential memory safety violations due to incorrect lifetime bounds in the API (GitHub Issue).

Technical details

The vulnerability stems from two main issues in the Parc implementation. First, the Parc::project method lacks proper static lifetime bounds for generic type T, allowing for unsafe lifetime coercion. Second, the Parc::fromarc method is missing necessary 'static bounds for type parameter U, which can lead to use-after-free scenarios. The issue manifests when non-static content is dropped through Parc::fromarc, potentially resulting in memory corruption (GitHub Issue).

Impact

The vulnerability can lead to use-after-free conditions and memory corruption in Rust applications using the pared crate. This poses significant safety risks as it bypasses Rust's memory safety guarantees, potentially resulting in undefined behavior and security vulnerabilities (GitHub Issue).

Mitigation and workarounds

A proposed fix includes adding T: 'static bound to the project method and U: 'static bound to the from_arc method. These changes would prevent unsafe lifetime coercion and ensure proper handling of non-static content (GitHub Issue).

Additional resources


SourceThis report was generated using AI

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