Critical Security Update for Python3 Packages: CVE-2026-15308
Summary
RHSA-2026:39320: Red Hat Security Advisory: python3 security update. Affects platform-python versions < 0:3.6.8-77.el8_10. Fixed in 0:3.6.8-77.el8_10. 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
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
The Python3 packages, including platform-python, python3-debuginfo, and python3-libs, are essential components of the Red Hat Enterprise Linux 8 ecosystem. These packages provide the Python programming language environment, enabling developers to build and run applications. The recent vulnerability affects these packages, potentially exposing systems to security risks.
Vulnerability Detail
CVE-2026-15308 is a security vulnerability identified in the Python3 packages within Red Hat Enterprise Linux 8. This vulnerability arises from inadequate handling of certain inputs, which could allow an attacker to execute arbitrary code or cause a denial of service. The implications of this vulnerability are severe, as it could lead to unauthorized access to sensitive data or disruption of services. The CVSS score for this vulnerability is 7.5, indicating a high severity level.
How To Fix
Minimum fixed version
0:3.6.8-77.el8_10
This is the first release that contains the fix.
sudo dnf update platform-pythonTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can limit access to the affected Python3 packages or restrict the execution of scripts that utilize these packages until the update is applied. However, this is not a permanent solution and should only be used until the patch is implemented.
Conclusion
In summary, CVE-2026-15308 poses a significant security risk to systems using Python3 packages in Red Hat Enterprise Linux 8. It is essential to update to the patched version to mitigate potential threats. Users are encouraged to monitor their systems and apply the necessary updates promptly.
See every vulnerability recorded for platform-python →
FAQ
CVE-2026-15308 is a security vulnerability affecting Python3 packages in Red Hat Enterprise Linux 8, which could allow attackers to execute arbitrary code.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The CVSS score for CVE-2026-15308 is 7.5, indicating a high severity level.
If immediate updates are not possible, consider restricting access to the affected packages or limiting the execution of scripts that rely on them.
More information can be found in the Red Hat Security Advisory and on the official CVE database.
Related vulnerabilities
Recent vulnerabilities recorded for platform-python.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
