Use-of-Uninitialized-Value Vulnerability in LibRaw Package
Summary
OSV-2026-958: Use-of-uninitialized-value in LibRaw::fbdd. Affects libraw versions >= 3733457df9b0420cb90061bceae06adec5aa33c7. No fix is published. How to fix ↓
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Background
LibRaw is an open-source library designed for reading and processing raw images from digital cameras. It provides functionalities for decoding raw image formats and is widely used in image processing applications. The library is known for its efficiency and support for a variety of camera models. However, it has been identified to have a vulnerability related to the use of uninitialized values, which can lead to crashes and unpredictable behavior in applications that rely on it.
Vulnerability Detail
The vulnerability identified in LibRaw is a use-of-uninitialized-value issue that can occur during the processing of raw images. This flaw originates from the LibRaw::fbdd function, which is part of the image processing workflow. When this function is called, it may access memory that has not been properly initialized, leading to potential crashes or incorrect processing of images. The ramifications of this vulnerability can include application crashes, data corruption, and security risks if exploited by malicious actors.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can avoid using the specific functions that trigger the vulnerability until a patch is applied. This may involve modifying the code to skip the use of LibRaw::fbdd or implementing checks to ensure that the values being processed are initialized before use.
Conclusion
The use-of-uninitialized-value vulnerability in the LibRaw package poses significant risks to applications that rely on it for image processing. Users are encouraged to update to the latest version to mitigate these risks and ensure the stability and security of their applications.
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FAQ
The vulnerability is a use-of-uninitialized-value issue that can lead to application crashes and unpredictable behavior.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Failure to address this vulnerability can lead to application crashes, data corruption, and potential security risks if exploited.
Yes, updating to the latest version of LibRaw that includes the patch for this vulnerability is recommended.
If an immediate update is not possible, consider implementing workarounds such as avoiding the use of the affected functions until a patch is available.
References
Related vulnerabilities
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