Uninitialized Value Use in CUPS Package Leading to Potential Crashes
Summary
OSV-2025-454: Use-of-uninitialized-value in _cups_strcasecmp. Affects cups versions >= 6e4a2c699948b5454a2c58b72aadb9d25a3b9353. 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
CUPS (Common UNIX Printing System) is an open-source printing system for Unix-like operating systems that allows a computer to act as a print server. It provides a standard-based printing environment and supports various printer types. Despite its robust functionality, CUPS is susceptible to vulnerabilities that can lead to application crashes and security issues, particularly when handling uninitialized values.
Vulnerability Detail
The vulnerability identified as OSV-2025-454 is a use-of-uninitialized-value issue in the CUPS package. This flaw arises from the function _cups_strcasecmp, which is involved in string comparison operations. When uninitialized values are used, it can lead to unpredictable behavior, including application crashes. The vulnerability was introduced in the commit 6e4a2c699948b5454a2c58b72aadb9d25a3b9353, and it has been reported through OSS-Fuzz, indicating that it poses a medium severity risk to users of the CUPS package.
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 mentioned for this vulnerability. Users are advised to apply the patch as soon as it becomes available to mitigate risks associated with uninitialized values.
Conclusion
The OSV-2025-454 vulnerability in the CUPS package represents a significant risk due to the use of uninitialized values, which can lead to application crashes. Users are strongly encouraged to update their CUPS installations to the latest patched version to mitigate this risk. Regular monitoring of vulnerabilities using tools like Vulert can help maintain the security of your applications.
See every vulnerability recorded for cups →
FAQ
The vulnerability is a use-of-uninitialized-value issue that can lead to application crashes.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
The primary impact is application crashes, which can disrupt printing services and affect user productivity.
Yes, users are encouraged to update to the latest version of CUPS where the vulnerability has been addressed.
While there are no specific workarounds, it is advisable to monitor the situation and apply the patch as soon as it is available.
References
Related vulnerabilities
Recent vulnerabilities recorded for cups.
