RLSA-2026:4713

Synopsis

Moderate: python3.12 security update

Description

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

Security Fix(es):

* cpython: wsgiref.headers.Headers allows header newline injection in Python (CVE-2026-0865)

* cpython: IMAP command injection in user-controlled commands (CVE-2025-15366)

* cpython: POP3 command injection in user-controlled commands (CVE-2025-15367)

* cpython: email header injection due to unquoted newlines (CVE-2026-1299)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected products

Rocky Linux 10 aarch64 Rocky Linux 10 ppc64le Rocky Linux 10 s390x Rocky Linux 10 x86_64

Fixes

2431368 2432437 2431373 2431367

CVEs

CVE-2025-15366 CVE-2025-15367 CVE-2026-0865 CVE-2026-1299

Affected packages

Rocky Linux 10 ppc64le - CRB

python3-debug-0:3.12.12-3.el10_1.1.ppc64le.rpm python3-test-0:3.12.12-3.el10_1.1.ppc64le.rpm python3-idle-0:3.12.12-3.el10_1.1.ppc64le.rpm

Rocky Linux 10 x86_64 - BaseOS

python3.12-debugsource-0:3.12.12-3.el10_1.1.x86_64.rpm python3-0:3.12.12-3.el10_1.1.x86_64.rpm python3.12-debuginfo-0:3.12.12-3.el10_1.1.x86_64.rpm python3.12-0:3.12.12-3.el10_1.1.src.rpm python3-libs-0:3.12.12-3.el10_1.1.x86_64.rpm

Rocky Linux 10 x86_64 - CRB

python3-test-0:3.12.12-3.el10_1.1.x86_64.rpm python3-idle-0:3.12.12-3.el10_1.1.x86_64.rpm python3-debug-0:3.12.12-3.el10_1.1.x86_64.rpm

Rocky Linux 10 aarch64 - CRB

python3-debug-0:3.12.12-3.el10_1.1.aarch64.rpm python3-test-0:3.12.12-3.el10_1.1.aarch64.rpm python3-idle-0:3.12.12-3.el10_1.1.aarch64.rpm

Rocky Linux 10 ppc64le - BaseOS

python3-0:3.12.12-3.el10_1.1.ppc64le.rpm python3.12-debugsource-0:3.12.12-3.el10_1.1.ppc64le.rpm python3.12-debuginfo-0:3.12.12-3.el10_1.1.ppc64le.rpm python3.12-0:3.12.12-3.el10_1.1.src.rpm python3-libs-0:3.12.12-3.el10_1.1.ppc64le.rpm

Rocky Linux 10 x86_64 - AppStream

python3-devel-0:3.12.12-3.el10_1.1.x86_64.rpm python3-tkinter-0:3.12.12-3.el10_1.1.x86_64.rpm python-unversioned-command-0:3.12.12-3.el10_1.1.noarch.rpm

Rocky Linux 10 aarch64 - BaseOS

python3.12-debuginfo-0:3.12.12-3.el10_1.1.aarch64.rpm python3.12-0:3.12.12-3.el10_1.1.src.rpm python3.12-debugsource-0:3.12.12-3.el10_1.1.aarch64.rpm python3-libs-0:3.12.12-3.el10_1.1.aarch64.rpm python3-0:3.12.12-3.el10_1.1.aarch64.rpm

Rocky Linux 10 s390x - BaseOS

python3-libs-0:3.12.12-3.el10_1.1.s390x.rpm python3.12-0:3.12.12-3.el10_1.1.src.rpm python3.12-debuginfo-0:3.12.12-3.el10_1.1.s390x.rpm python3.12-debugsource-0:3.12.12-3.el10_1.1.s390x.rpm python3-0:3.12.12-3.el10_1.1.s390x.rpm

Rocky Linux 10 s390x - CRB

python3-debug-0:3.12.12-3.el10_1.1.s390x.rpm python3-idle-0:3.12.12-3.el10_1.1.s390x.rpm python3-test-0:3.12.12-3.el10_1.1.s390x.rpm

Rocky Linux 10 ppc64le - AppStream

python3-tkinter-0:3.12.12-3.el10_1.1.ppc64le.rpm python-unversioned-command-0:3.12.12-3.el10_1.1.noarch.rpm python3-devel-0:3.12.12-3.el10_1.1.ppc64le.rpm

Rocky Linux 10 s390x - AppStream

python3-tkinter-0:3.12.12-3.el10_1.1.s390x.rpm python3-devel-0:3.12.12-3.el10_1.1.s390x.rpm python-unversioned-command-0:3.12.12-3.el10_1.1.noarch.rpm

Rocky Linux 10 aarch64 - AppStream

python3-tkinter-0:3.12.12-3.el10_1.1.aarch64.rpm python-unversioned-command-0:3.12.12-3.el10_1.1.noarch.rpm python3-devel-0:3.12.12-3.el10_1.1.aarch64.rpm