python-idna: idna: Denial of Service via specially crafted long inputs

A flaw was found in the idna library, which handles Internationalized Domain Names in Python applications. A remote attacker could exploit this vulnerability by sending specially crafted, excessively long inputs to the library's encoding function. This could cause the system to consume significan...

SUSE-SU-2026:22356-1 Security update for python-idna

This update for python-idna fixes the following issue - CVE-2026-45409: specially crafted inputs to idna.encode can bypass earlier security fix bsc1265413...

SUSE-SU-2026:22271-1 Security update for python-idna

This update for python-idna fixes the following issue - CVE-2026-45409: specially crafted inputs to idna.encode can bypass earlier security fix bsc1265413...

OPENSUSE-SU-2026:21048-1 Security update for python-idna

This update for python-idna fixes the following issue - CVE-2026-45409: specially crafted inputs to idna.encode can bypass earlier security fix bsc1265413...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: python-idna: python3-idna-3.18-1.hum1 noarch python-idna-3.18-1.hum1.src src...

CVE-2026-45409

Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and Unicode IDNA Compatibility Processing. In versions prior to 3.15, payloads such as "\u0660" N or "\u30fb" N + "\u6f22" utilize the validcontexto function pri...

CVE-2026-45409

CVE-2026-45409 affects Python’s IDNA handling (idna.encode) in Python-idna. A specially crafted input could cause heavy resource consumption and potential DoS. The issue mirrors CVE-2024-3651; fixes were extended in 3.14–3.15 to reject long inputs earlier and more broadly (per-label conversions a...

SUSE-SU-2026:21914-1 Security update for python-idna

This update for python-idna fixes the following issue - CVE-2026-45409: specially crafted inputs to idna.encode can bypass earlier security fix bsc1265413...

SUSE-SU-2026:21873-1 Security update for python-idna

This update for python-idna fixes the following issue - CVE-2026-45409: specially crafted inputs to idna.encode can bypass earlier security fix bsc1265413...

OPENSUSE-SU-2026:10829-1 python311-idna-3.15-1.1 on GA media

These are all security issues fixed in the python311-idna-3.15-1.1 package on the GA media of openSUSE Tumbleweed...

MiracleLinux 9 : python-idna-2.10-7.el9_4.1 (AXSA:2024-8453:01)

The remote MiracleLinux 9 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2024-8453:01 advisory. python-idna: potential DoS via resource consumption via specially crafted inputs to idna.encode CVE-2024-3651 CVE-2024-3651 RESERVED Tenable has extracted th...

MiracleLinux 8 : python-idna-2.5-7.el8_10 (AXSA:2024-8515:02)

The remote MiracleLinux 8 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2024-8515:02 advisory. python-idna: potential DoS via resource consumption via specially crafted inputs to idna.encode CVE-2024-3651 Tenable has extracted the preceding description...

MiracleLinux 7 : python-idna-2.4-1.0.1.el7.AXS7 (AXSA:2025-11498:01)

The remote MiracleLinux 7 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2025-11498:01 advisory. CVE-2024-3651: more efficient resolution of joiner contexts in idna library to avoid quadratic complexity that leads to a DoS condition CVEs: CVE-2024-3651 ...

CLSA-2025-1763568610 python-idna: Fix of CVE-2024-3651

CVE-2024-3651: more efficient resolution of joiner contexts in idna library to avoid quadratic complexity that leads to a DoS condition...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: libffi (UTSA-2025-003039)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-003039 advisory. An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA RFC 3490 decoder, such...

NewStart CGSL MAIN 7.02 : python-idna Vulnerability (NS-SA-2025-0144)

The remote NewStart CGSL host, running version MAIN 7.02, has python-idna packages installed that are affected by a vulnerability: - A vulnerability was identified in the kjd/idna library, specifically within the idna.encode function, affecting version 3.6. The issue arises from the function's...

TencentOS Server 4: python-idna (TSSA-2024:0140)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:0140 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

python-idna security update

An update is available for python-idna. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The hsakmt packages include a thunk library for AMD's Heterogeneous Syste...

RLSA-2024:4260 Moderate: python-idna security update

The hsakmt packages include a thunk library for AMD's Heterogeneous System Architecture HSA Linux kernel driver amdkfd. Security Fixes: python-idna: potential DoS via resource consumption via specially crafted inputs to idna.encode CVE-2024-3651 For more details about the security issues, includi...

RockyLinux 8 : python-idna (RLSA-2024:4260)

The remote RockyLinux 8 host has a package installed that is affected by a vulnerability as referenced in the RLSA-2024:4260 advisory. python-idna: potential DoS via resource consumption via specially crafted inputs to idna.encode CVE-2024-3651 Tenable has extracted the preceding description bloc...