CVE-2022-25327: User login denial of service in github.com/google/fscrypt
Summary
CVE-2022-25327: User login denial of service in github.com/google/fscrypt. Affects github.com/google/fscrypt versions < 0.3.3. Fixed in 0.3.3. How to fix ↓
Also tracked for
- fscrypt · Debian:11
The same CVE-2022-25327 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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 github.com/google/fscrypt package is a Go library that provides a set of tools for working with the Linux fscrypt subsystem. It allows users to encrypt and decrypt files using the Linux kernel's filesystem-level encryption feature. The package is widely used in applications that require file encryption on Linux systems.
Vulnerability Detail
This vulnerability in github.com/google/fscrypt allows an attacker to launch a denial of service (DoS) attack on user logins. By exploiting this vulnerability, an attacker can cause the affected application to become unresponsive or crash, preventing legitimate users from logging in. The vulnerability originates from a flaw in the user login process, which can be triggered by sending specially crafted requests to the application.
How To Fix
Latest published version: v0.3.7 as of 22 Oct 2026
go get github.com/google/fscrypt@v0.3.7Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
0.3.3
This is the first release that contains the fix.
go get github.com/google/fscrypt@v0.3.3Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is recommended to update the github.com/google/fscrypt package to the latest version as soon as possible.
Conclusion
The github.com/google/fscrypt package is vulnerable to a user login denial of service attack. Developers should update to version 0.3.3 or later to fix this vulnerability and prevent potential DoS attacks. There are no known workarounds for this issue.
See every vulnerability recorded for github.com/google/fscrypt →
FAQ
This vulnerability can lead to a denial of service (DoS) condition, preventing legitimate users from logging into the affected application.
No, this vulnerability does not allow for authentication bypass. It only affects the user login process, causing a denial of service.
No, versions 0.3.3 and later of github.com/google/fscrypt are not affected by this vulnerability. Only versions prior to 0.3.3 are vulnerable.
There is no known public exploit for this vulnerability at the time of this report. However, it is important to update the package to mitigate the risk.
Yes, this vulnerability can be exploited remotely by sending specially crafted requests to the affected application's user login process.
Related vulnerabilities
Recent vulnerabilities recorded for github.com/google/fscrypt.
