Moderate Vulnerability in libtiff: Denial of Service Risk Due to Segment Fault
Summary
RLSA-2026:7081: Moderate: libtiff security update. Affects libtiff versions < 0:4.6.0-6.el10_1.2. Fixed in 0:4.6.0-6.el10_1.2. 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
libtiff is a library designed for manipulating Tagged Image File Format (TIFF) files, widely used in various applications for image processing. It provides essential functions for reading and writing TIFF files, making it a critical component in software that handles image data. However, a recent security issue has been identified that could lead to a denial of service, affecting the stability and reliability of applications utilizing this library.
Vulnerability Detail
The vulnerability, identified as CVE-2023-52356, arises from a segment fault in the function TIFFReadRGBATileExt(). This flaw can be exploited to cause a denial of service, potentially crashing applications that rely on libtiff for image processing. The issue stems from improper handling of certain TIFF files, which can lead to unexpected behavior and application instability. The CVSS score for this vulnerability is 7.5, indicating a moderate level of risk.
How To Fix
Minimum fixed version
0:4.6.0-6.el10_1.2
This is the first release that contains the fix.
sudo dnf update libtiffTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can avoid processing untrusted TIFF files that may exploit this vulnerability until the package is updated. Additionally, implementing input validation to check the integrity of TIFF files before processing can help reduce the risk.
Conclusion
The libtiff library has a moderate vulnerability (CVE-2023-52356) that can lead to denial of service due to a segment fault. It is crucial to update the library to the patched version to ensure the stability and security of applications that rely on it. Users are encouraged to take immediate action to mitigate the risks associated with this vulnerability.
See every vulnerability recorded for libtiff →
FAQ
CVE-2023-52356 is a security vulnerability in the libtiff library that can lead to a denial of service due to a segment fault in the TIFFReadRGBATileExt() function.
If your application uses libtiff to process TIFF files, it may crash or become unstable when handling certain maliciously crafted TIFF files.
If an immediate update is not possible, avoid processing untrusted TIFF files and implement input validation to mitigate the risk.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
The CVSS score for this vulnerability is 7.5, indicating a moderate level of risk.
Related vulnerabilities
Recent vulnerabilities recorded for libtiff.
