RHSA-2026:99588: Red Hat Hardened Images RPMs Security Update
Red Hat Hardened Images RPMs Security Update
Other sources
This update includes the following RPMs:python3.15: python3.15-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-debug-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-devel-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-freethreading-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-freethreading-debug-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-freethreading-devel-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-freethreading-idle-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-freethreading-libs-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-freethreading-test-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-freethreading-tkinter-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-idle-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-libs-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-test-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-tkinter-3.15.2-1.4.hum1 (aarch64, s390x, x8664) python3.15-3.15.2-1.4.hum1.src (src) Security Fix(es):python3.15: CVE-2026-115791 CVE-2026-19552 CVE-2026-115559
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
python3.15to a version that resolves this vulnerability.Fixed in 3.15.2-1.4.hum1
Event History
Frequently Asked Questions
Which system architectures are covered by the updated binary packages?
The updated binary RPMs are provided for aarch64, s390x, and x86_64. A source RPM is also included.
How can I verify that the security update has been applied?
Check the installed Python 3.15 RPM version. The update provides version 3.15.2-1.4.hum1 for the Python runtime and its listed subpackages.
Are development, debugging, and free-threading Python installations included?
Yes. The update includes debug, devel, idle, libs, test, and tkinter packages, along with the corresponding free-threading variants where available.