Moderate Vulnerability in compat-openssl11: Arbitrary Code Execution Risk
Summary
ALSA-2026:19187: Moderate: compat-openssl11 security update. Affects compat-openssl11 versions < 1:1.1.1k-5.el9_8.2. Fixed in 1:1.1.1k-5.el9_8.2. How to fix ↓
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Background
The compat-openssl11 package is a compatibility layer for OpenSSL version 1.1.1, designed to facilitate secure communications between machines. It provides essential cryptographic functions and protocols that are critical for maintaining data integrity and confidentiality in network communications. However, this package has been identified to contain vulnerabilities that could potentially compromise security.
Vulnerability Detail
The vulnerability arises from an out-of-bounds write in the PKCS#12 processing of the OpenSSL toolkit, specifically identified as CVE-2025-69419. This flaw allows attackers to execute arbitrary code, leading to unauthorized access and control over affected systems. The implications of this vulnerability are severe, as it can be exploited to manipulate secure communications and compromise sensitive data.
How To Fix
Minimum fixed version
1:1.1.1k-5.el9_8.2
This is the first release that contains the fix.
sudo dnf update compat-openssl11Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, consider restricting access to systems utilizing the affected package until the update can be applied. Additionally, monitor network traffic for any unusual activity that may indicate exploitation attempts.
Conclusion
The compat-openssl11 package has a moderate vulnerability that poses significant risks, including arbitrary code execution. It is crucial to update to the patched version to ensure the security of your systems. Regular monitoring and updates are essential practices for maintaining software integrity.
See every vulnerability recorded for compat-openssl11 →
FAQ
compat-openssl11 is a compatibility package for OpenSSL version 1.1.1, providing essential cryptographic functions for secure communications.
CVE-2025-69419 refers to a specific vulnerability in OpenSSL that allows for arbitrary code execution due to an out-of-bounds write in PKCS#12 processing.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The consequences include unauthorized access to systems, manipulation of secure communications, and potential data breaches.
It is recommended to regularly check for updates and apply them promptly to mitigate the risk of vulnerabilities in your software.
Related vulnerabilities
Recent vulnerabilities recorded for compat-openssl11.
