Deprecation Alert: rand_os Crate Unmaintained and Vulnerable

rand_os Updated 19 Nov 2025

Summary

17/11/2025
N/A
No i
Unrated
Not published

RUSTSEC-2025-0124: and_os crate is unmaintained. Affects rand_os versions >= 0.0.0-0. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored Devnack Your last release was probably never penetration tested Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The rand_os crate is a Rust library that provides access to the operating system's random number generator. It was designed to facilitate secure random number generation in applications. However, it has become unmaintained, and its functionality has been integrated into the rand_core library, which is actively developed and maintained. This transition means that users of rand_os are encouraged to migrate to rand_core to ensure continued support and security.

Vulnerability Detail

The rand_os crate is deprecated and no longer actively maintained, which poses a significant risk to applications relying on it for random number generation. The lack of updates means that any potential security vulnerabilities discovered in the future will not be addressed, leaving applications exposed to risks associated with predictable random number generation. This situation can lead to security breaches, especially in applications where randomness is critical, such as cryptographic operations.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

There are no specific workarounds for the rand_os crate since it is unmaintained. The best course of action is to migrate to the rand_core library as outlined in the 'how_to_fix' section.

Conclusion

The rand_os crate is deprecated and unmaintained, posing significant security risks to applications that rely on it for random number generation. Users are strongly encouraged to migrate to the rand_core library to ensure their applications remain secure and supported. Regular monitoring for vulnerabilities using tools like Vulert can help maintain the security of your software.

See every vulnerability recorded for rand_os →

Share this vulnerability

FAQ

The rand_os crate is a Rust library that provides access to the operating system's random number generator for secure random number generation.

rand_os is unmaintained, meaning it will not receive updates or security patches, which exposes applications to potential security risks.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Check your application against this vulnerability using the Vulert playground at Vulert Scanner without needing to sign up.

While there are no specific workarounds, it is crucial to plan an upgrade to rand_core as soon as possible to mitigate security risks.

Using an unmaintained crate can lead to security vulnerabilities, lack of support for new features, and potential incompatibilities with other libraries.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback