certstreamcatcher

Certstreamcatcher Catching phishing by observing certificate transparency logs. This tool is based on regex with effective standards for detecting phishing sites in real time using certstream and can also detect punycode IDNA attacks such as https://www.ṁyetḣerwallet.com. Phishing Phishing...

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...

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...

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...

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...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.22.18 packages and security update

Red Hat OpenShift Container Platform release 4.22.18 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.22. Red Hat Product Security has rated this update as having a...

RHCOS 4 : OpenShift Container Platform 4.22.18 (RHSA-2026:79150)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:79150 advisory. - golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing CVE-2026-3982...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.16.73 packages and security update

Red Hat OpenShift Container Platform release 4.16.73 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.16. Red Hat Product Security has rated this update as having a...

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...

USN-8883-2: Go vulnerability

USN-8883-1 fixed a vulnerability in Go versions 1.18, 1.21, and 1.24. This update provides the corresponding fix for Go version 1.23. Original advisory details: It was discovered that the Go x/net/idna package incorrectly handled certain Punycode-encoded labels that decoded to ASCII-only labels. ...

USN-8883-2 golang-1.23 vulnerability

USN-8883-1 fixed a vulnerability in Go versions 1.18, 1.21, and 1.24. This update provides the corresponding fix for Go version 1.23. Original advisory details: It was discovered that the Go x/net/idna package incorrectly handled certain Punycode-encoded labels that decoded to ASCII-only labels. ...

RHCOS 4 : OpenShift Container Platform 4.16.73 (RHSA-2026:77611)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:77611 advisory. - golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing CVE-2026-3982...

Ubuntu 22.04 LTS : Google Guest Agent, Google OS Config Agent vulnerability (USN-8914-1)

The remote Ubuntu 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8914-1 advisory. It was discovered that the Go x/net/idna package, vendored in Google Guest Agent and Google OS Config Agent, incorrectly accepted Punycode-encoded labels that...

USN-8914-1: Google Guest Agent, Google OS Config Agent vulnerability

It was discovered that the Go x/net/idna package, vendored in Google Guest Agent and Google OS Config Agent, incorrectly accepted Punycode-encoded labels that decoded to ASCII-only labels when processing internationalized domain names. A remote attacker could possibly use this issue to bypass...

USN-8914-1 google-guest-agent, google-osconfig-agent vulnerability

It was discovered that the Go x/net/idna package, vendored in Google Guest Agent and Google OS Config Agent, incorrectly accepted Punycode-encoded labels that decoded to ASCII-only labels when processing internationalized domain names. A remote attacker could possibly use this issue to bypass...

CLSA-2026-1791530173 TuxCare security update for idna (1 CVE)

TuxCare rebuilt idna to address 1 CVE. Fixed in 2.10.post2+tuxcare...

CVE-2026-107288 Pydantic AI: web_fetch_tool blocked_domains bypass via a hostname the resolver normalizes differently

Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.77.0 until 1.107.6 and 2.44.0, the local webfetchtool and the WebFetch local fallback compare blockeddomains entries with a URL hostname before both values are normalized to the form used by...