CVE-2026-17084

A flaw was found in the Python 'stringprep' module. This module incorrectly processed characters by using the latest Unicode codepoint attributes instead of the Unicode 3.2.0 standard specified in RFC 3454. This deviation can lead to mismatches when processing internationalized domain names IDNA...

Security Bulletin: IBM Maximo Application Suite - Predict Component uses multiple dependencies which are vulnerable to multiple CVEs.

Summary IBM Maximo Application Suite - Predict Component uses ITOM Rel 3.0.0: idna-3.11-py3-none-any.whl which are vulnerable to CVE-2026-45409. This bulletin contains information addressing the vulnerability. Vulnerability Details CVEID:CVE-2026-45409 DESCRIPTION: Internationalized Domain Names ...

EulerOS 2.0 SP12 : python-idna (EulerOS-SA-2026-3299)

According to the versions of the python-idna package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and...

EulerOS 2.0 SP12 : python-idna (EulerOS-SA-2026-3374)

According to the versions of the python-idna package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname for example, xn--example-.com returns example.com instead of an error. Applications that validate the ASCII form then convert to Unicode may grant acce...

Alibaba Cloud Linux 3 : 0263: python-idna (ALINUX3-SA-2026:0263)

The remote Alibaba Cloud Linux 3 host has a package installed that is affected by a vulnerability as referenced in the ALINUX3-SA-2026:0263 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-45409: Internationalized Domain Names in...

CVE-2026-19953 URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep

URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep. nameprep lowercases each host label but performs no Unicode normalization. IDNA requires a label to be normalized to Form C before it is encoded RFC 5891, so a label...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname for example, xn--example-.com returns example.com instead of an error. Applications that validate the ASCII form then convert to Unicode may grant acce...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname for example, xn--example-.com returns example.com instead of an error. Applications that validate the ASCII form then convert to Unicode may grant acce...

Medium: python3.13-pip

Issue Overview: 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...

Amazon Linux 2023 : python3.14-pip, python3.14-pip-wheel (ALAS2023-2026-2093)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-2093 advisory. 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...

Medium: python-pip

Issue Overview: 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...

Medium: python3.11-pip

Issue Overview: 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...

Medium: python3.14-pip

Issue Overview: 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...

Medium: python3.12-pip

Issue Overview: 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...

Unity Linux 20.1070a Security Update: grafana (UTSA-2026-104993)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104993 advisory. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII- only label. For example, ToUnicodexn--example-.com incorrectl...

openSUSE 16: glab / glab-bash-completion / glab-fish-completion / etc (openSUSE-SU-2026:21662-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21662-1 advisory. Changes in glab: - Update to version 1.114.0: featapi: support dynamic custom headers for authenticating proxies featartifact-registry: add glab...

TencentOS Server 3: python-idna (TSSA-2026:0900)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0900 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

OPENSUSE-SU-2026:21662-1 Security update for glab

This update for glab fixes the following issues: Changes in glab: - Update to version 1.114.0: featapi: support dynamic custom headers for authenticating proxies featartifact-registry: add glab artifact-registry login --docker featartifact-registry: resolve artifact registries in the Docker...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname for example, xn--example-.com returns example.com instead of an error. Applications that validate the ASCII form then convert to Unicode may grant acce...