Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
6.8
Critical Fix for Python 3.12 Released to Prevent Data Exposure
RHSA-2026:3900
Summary
A security update for Python 3.12 has been released to address a critical issue that could allow an attacker to access sensitive data. This update is recommended for all users of Python 3.12 to protect against potential data exposure and unauthorized access. Update your Python installation to the latest version to ensure you have the latest security patches.
What to do
- Update redhat python3.12 to version 0:3.12.9-1.el9_6.5.
- Update redhat python3.12-debug to version 0:3.12.9-1.el9_6.5.
- Update redhat python3.12-debuginfo to version 0:3.12.9-1.el9_6.5.
- Update redhat python3.12-debugsource to version 0:3.12.9-1.el9_6.5.
- Update redhat python3.12-devel to version 0:3.12.9-1.el9_6.5.
- Update redhat python3.12-idle to version 0:3.12.9-1.el9_6.5.
- Update redhat python3.12-libs to version 0:3.12.9-1.el9_6.5.
- Update redhat python3.12-test to version 0:3.12.9-1.el9_6.5.
- Update redhat python3.12-tkinter to version 0:3.12.9-1.el9_6.5.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| redhat | python3.12 | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-debug | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-debuginfo | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-debugsource | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-devel | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-idle | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-libs | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-test | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-tkinter | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12 | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-debug | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-debuginfo | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-debugsource | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-devel | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-idle | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-libs | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-test | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
| redhat | python3.12-tkinter | <= 0:3.12.9-1.el9_6.5 | 0:3.12.9-1.el9_6.5 |
Original title
Red Hat Security Advisory: python3.12 security update
osv CVSS3.1
6.8
- https://access.redhat.com/errata/RHSA-2026:3900 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#moderate Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2418078 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3900.j... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2025-13836 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-13836 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-13836 Vendor Advisory
- https://github.com/python/cpython/issues/119451 Third Party Advisory
- https://github.com/python/cpython/pull/119454 Third Party Advisory
Published: 6 Mar 2026 · Updated: 6 Mar 2026 · First seen: 6 Mar 2026