Synopsis
Moderate: python-idna security update
Type/Severity
Security Advisory: Moderate
Red Hat Lightspeed patch analysis
Identify and remediate systems affected by this advisory.
View affected systems
Topic
An update for python-idna is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
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):
- python-idna: idna: Denial of Service via specially crafted long inputs (CVE-2026-45409)
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
-
Red Hat Enterprise Linux for x86_64 9 x86_64
-
Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8 x86_64
-
Red Hat Enterprise Linux for IBM z Systems 9 s390x
-
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8 s390x
-
Red Hat Enterprise Linux for Power, little endian 9 ppc64le
-
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.8 ppc64le
-
Red Hat Enterprise Linux for ARM 64 9 aarch64
-
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.8 aarch64
-
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.8 ppc64le
-
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8 x86_64
-
Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.8 aarch64
-
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.8 s390x
-
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.8 x86_64
-
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.8 aarch64
-
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.8 ppc64le
-
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.8 s390x
Fixes
-
BZ - 2485616
- CVE-2026-45409 python-idna: idna: Denial of Service via specially crafted long inputs
Note:
More recent versions of these packages may be available.
Click a package name for more details.
Red Hat Enterprise Linux for x86_64 9
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| x86_64 |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| x86_64 |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for IBM z Systems 9
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| s390x |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| s390x |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for Power, little endian 9
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| ppc64le |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| ppc64le |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for ARM 64 9
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| aarch64 |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| aarch64 |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| ppc64le |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| x86_64 |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| aarch64 |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| s390x |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| x86_64 |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| aarch64 |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| ppc64le |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.8
| SRPM |
|
python-idna-2.10-8.el9_8.src.rpm
|
SHA-256: 1dd4b34aede22ab17932eff223930c022bcc891a8834ffceb8e984d69a26e6dd |
| s390x |
|
python3-idna-2.10-8.el9_8.noarch.rpm
|
SHA-256: 06170b28c661b6520f4e40f27752502f1b8d0b0c2d03f1f56878d16a1c416dd1 |