GHSA-4C8G-83QW-93J6 fast-uri vulnerable to host confusion via failed IDN canonicalization

Impact fast-uri versions = 2.3.1, = 4.0.0 fail to canonicalize Unicode/IDN hostnames for HTTP-family URLs. The IDN conversion path calls URL.domainToASCII... on the global WHATWG URL constructor, where that helper does not exist. The resulting TypeError is silently routed into parsed.error, but...

NPM: fast-uri vulnerable to host confusion via failed IDN canonicalization

NPM: fast-uri vulnerable to host confusion via failed IDN canonicalization vulnerability discovered by ? in WordPress Npm fast-uri versions = 2.3.1, 2.4.2...

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...

Security Bulletin: Multiple vulnerabilities in IBM Aspera Faspex

Summary Multiple vulnerabilities were addressed in IBM Aspera Faspex 5.0.16 Vulnerability Details CVEID:CVE-2026-13676 DESCRIPTION: fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize Unicode IDN hostnames for HTTP-family URLs. The IDN conversion path calls a helper that does not...

RHEL 9 : rhc (RHSA-2026:39879)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:39879 advisory. rhc is a client tool and daemon that connects the system to Red Hat hosted services enabling system and subscription management. Security...

CVE-2026-46644 symfony/polyfill-intl-idn accepts xn-- labels whose Punycode payload decodes to ASCII-only: insecure equivalence

Symfony Polyfill backports PHP features and provides compatibility layers for extensions and functions. From 1.17.1 until 1.38.1, symfony/polyfill-intl-idn accepts xn-- labels whose Punycode payload is empty or decodes to ASCII-only code points because Idn::process does not enforce the UTS 46...

Security update for rustup

This update for rustup fixes the following issues Security issues: CVE-2024-12224: idna: idna accepts Punycode labels that do not produce any non-ASCII when decoded bsc1243862. CVE-2025-58160: tracing-subscriber: Tracing log pollution bsc1249008. CVE-2026-41676: openssl: Deriver:derive and...

USN-8521-1: Libidn vulnerability

It was discovered that Libidn incorrectly handled certain internationalized domain name strings. An attacker could possibly use this issue to obtain sensitive information or cause a denial of service...

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...

ALSA-2026:35830 Important: grafana security update

Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB. Security Fixes: golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing CVE-2026-39821 For more details about the security issue...

SUSE CVE-2026-13676

fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize Unicode IDN hostnames for HTTP-family URLs. The IDN conversion path calls a helper that does not exist on the global URL constructor, silently leaving the host in its original Unicode form while normalize and equal still return...

CVE-2026-13676

A flaw was found in fast-uri. This vulnerability occurs because fast-uri fails to properly convert Unicode Internationalized Domain Name - IDN hostnames for HTTP-family URLs. This can lead to a situation where security policies, such as denylists or redirect validations, are bypassed when...

CVE-2026-13676

fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize Unicode IDN hostnames for HTTP-family URLs. The IDN conversion path calls a helper that does not exist on the global URL constructor, silently leaving the host in its original Unicode form while normalize and equal still return...

CVE-2026-13676

The CVE concerns the fast-uri library (versions 2.3.1–3.1.2 and 4.0.0) where the IDN host canonicalization path fails to normalize Unicode hosts for HTTP URLs. A helper used in IDN conversion does not exist on the global URL constructor, leaving the host in Unicode form while normalize() and equa...

SUSE-SU-2026:22242-1 Security update for google-osconfig-agent

This update for google-osconfig-agent fixes the following issues - CVE-2023-45288: golang.org/x/net/http2: close connections when receiving too many headers bsc1236533. - CVE-2025-47911: golang.org/x/net/html: various algorithms with quadratic complexity when parsing HTML documents bsc1251453. -...

Important: docker

Issue Overview: Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service. CVE-2026-25680 Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt ...

CLEANSTART-2026-EN66750 Internationalized Domain Names in Applications (IDNA) for Python provides support for Internationalized Domain Names in Applications (IDNA) and Unicode IDNA Compatibility Processing

Multiple security vulnerabilities affect the apache-superset package. Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and Unicode IDNA Compatibility Processing. See references for individual vulnerability...

Linux Distros Unpatched Vulnerability : CVE-2026-45409

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and Unicode IDNA...

PYSEC-2026-215

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...

PYSEC-2026-215

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...