Unmaintained Package Alert: bitmaps Crate Vulnerability
Summary
RUSTSEC-2026-0247: bitmaps is unmaintained. Affects bitmaps versions >= 0.0.0-0. No fix is published. How to fix ↓
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.
No signup required · Results in about 60 seconds
Background
The 'bitmaps' crate is a Rust library designed for efficient manipulation of bitmap data structures. It provides functionalities for creating and managing bitmaps, which are essential in various applications, including graphics processing and data representation. However, the 'bitmaps' crate has been declared unmaintained as of May 3, 2026, following the archiving of its GitHub repository by the owner. This lack of maintenance poses significant risks to users relying on this package for their projects.
Vulnerability Detail
The vulnerability stems from the fact that the 'bitmaps' crate is no longer maintained, meaning that it will not receive updates, bug fixes, or security patches. This can lead to potential security risks, as any vulnerabilities discovered in the future will remain unaddressed. Users of the 'bitmaps' crate may face issues such as compatibility problems with newer Rust versions, unresolved bugs, and exposure to security threats that could compromise their applications.
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
Currently, there are no specific workarounds for the vulnerabilities associated with the 'bitmaps' crate due to its unmaintained status. The best approach is to transition to a maintained alternative as mentioned above.
Conclusion
The 'bitmaps' crate is an unmaintained package that poses significant risks to users due to the lack of updates and support. It is crucial for developers to migrate to actively maintained alternatives like 'fixedbitset' or 'bitvec' to ensure the security and functionality of their applications.
See every vulnerability recorded for bitmaps →
FAQ
It means that the package will not receive any further updates, bug fixes, or security patches, which can lead to potential vulnerabilities.
The recommended alternatives are 'fixedbitset' and 'bitvec', both of which are actively maintained.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. You can check your application using the Vulert playground at Vulert Scanner without any signup.
Continuing to use an unmaintained package can expose your application to security vulnerabilities, compatibility issues, and lack of support for bugs.
No, there is no patch available since the crate is unmaintained. Users should transition to an alternative package.
References
Related vulnerabilities
Recent vulnerabilities recorded for bitmaps.