DEBIAN-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

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 Internationalized Domain Names in Applications (IDNA): Specially crafted inputs to idna.encode() can bypass CVE-2024-3651 fix

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...

PT-2026-43392

Name of the Vulnerable Software and Affected Versions symfony/polyfill-intl-idn versions prior to 1.x Description The Idn::process function fails to enforce the validity criterion defined in UTS 46 revision 33 Section 4 step 4.1.2. Specifically, it does not verify that a label prefixed with xn--...

CVE-2026-9078

Firefox for iOS displayed specially crafted right-to-left RTL and internationalized domain names IDNs incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This...

CVE-2026-9078

Firefox for iOS displayed specially crafted right-to-left RTL and internationalized domain names IDNs incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This...

Security Vulnerabilities fixed in Firefox for iOS 151.1 — Mozilla

Firefox for iOS displayed specially crafted right-to-left RTL and internationalized domain names IDNs incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins...

EUVD-2026-31449

The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode"xn--example-.com" incorrectly returns the name "example.com" rather than an error. This behavior can lead to privilege escalation in programs using the idna...

PT-2026-42782

Name of the Vulnerable Software and Affected Versions idna affected versions not specified Description The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For instance, ToUnicode"xn--example-.com" returns "example.com" instead of an...

Astra Linux - уязвимость в firefox

When parsing internationalized domain names, the high bits of the characters in the URLs were sometimes removed, resulting in inconsistencies that could cause confusion for users or lead to attacks like phishing. This vulnerability affects Firefox versions earlier than 94...

Internationalized Domain Names in Applications (IDNA): Specially crafted inputs to idna.encode() can bypass CVE-2024-3651 fix

This is the same issue as CVE-2024-3651, however the original remediation in 2024 was not a complete fix. Payloads such as "\u0660" N or "\u30fb" N + "\u6f22" utilize the validcontexto function prior to length rejection, and for high values of N will take a long time to process. Impact A speciall...

GHSA-65PC-FJ4G-8RJX Internationalized Domain Names in Applications (IDNA): Specially crafted inputs to idna.encode() can bypass CVE-2024-3651 fix

This is the same issue as CVE-2024-3651, however the original remediation in 2024 was not a complete fix. Payloads such as "\u0660" N or "\u30fb" N + "\u6f22" utilize the validcontexto function prior to length rejection, and for high values of N will take a long time to process. Impact A speciall...

SUSE-SU-2026:21574-1 Security update for c-ares

This update for c-ares fixes the following issue - CVE-2025-62408: use after free in readanswers bsc1254738. Changes for c-ares: - c-ares 1.35.6: Ignore Windows IDN Search Domains until proper IDN support is added Various bug fixes...

Astra Linux - уязвимость в chromium

Insufficient data validation in URL formatting in Google Chrome prior to 103.0.5060.53 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name...

AlmaLinux 9 : nodejs:24 (ALSA-2026:7350)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:7350 advisory. nodejs: Nodejs denial of service CVE-2026-21637 brace-expansion: brace-expansion: Denial of Service via unbounded brace range expansion CVE-2026-25547...

AlmaLinux 10 : nodejs24 (ALSA-2026:7675)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:7675 advisory. nodejs: Nodejs denial of service CVE-2026-21637 brace-expansion: brace-expansion: Denial of Service via unbounded brace range expansion CVE-2026-25547...

Node.js: Node.js: Denial of Service via malformed Internationalized Domain Name processing

A flaw was found in Node.js. This vulnerability allows an attacker to cause a Denial of Service DoS by providing a malformed Internationalized Domain Name IDN to the url.format function. When processed, this malformed input triggers an internal error, causing the Node.js application to crash. Thi...

Important: nodejs24

Issue Overview: A flaw in Node.js HTTP request handling causes an uncaught TypeError when a request is received with a header named proto and the application accesses req.headersDistinct. When this occurs, dest"proto" resolves to Object.prototype rather than undefined, causing .push to be called ...

ALSA-2026:7670 Important: nodejs:24 security update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fixes: nodejs: Nodejs denial of service CVE-2026-21637 minimatch: minimatch: Denial of Service via specially crafted glob patterns CVE-2026-26996 undici:...