Header Injection

Axios is vulnerable to Header Injection. The vulnerability is due to the presence of a gadget chain that allows existing Prototype Pollution in dependent code to be escalated, enabling attackers to achieve remote code execution or access sensitive resources such as AWS IMDSv2 metadata...

RLSA-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:...

nodejs:24 security update

An update is available for nodejs, module.nodejs-packaging, nodejs-packaging, module.nodejs, nodejs-nodemon, module.nodejs-nodemon. 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...

undici: Undici: HTTP header injection and request smuggling vulnerability

A flaw was found in undici, a Node.js HTTP/1.1 client. This vulnerability allows a remote attacker to inject malicious data into HTTP headers or prematurely end HTTP requests by sending specially crafted input to the upgrade option of client.request. This is possible because undici does not...

undici: Undici: HTTP header injection and request smuggling vulnerability

A flaw was found in undici, a Node.js HTTP/1.1 client. This vulnerability allows a remote attacker to inject malicious data into HTTP headers or prematurely end HTTP requests by sending specially crafted input to the upgrade option of client.request. This is possible because undici does not...

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:...

Important: python3.9

Issue Overview: When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not sanitized. CVE-2025-11468 User-controlled...

RHEL 8 : nodejs:24 (RHSA-2026:7670)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:7670 advisory. Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language...

RHEL 10 : nodejs24 (RHSA-2026:7675)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:7675 advisory. Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an...

Amazon Linux 2023 : python3, python3-devel, python3-idle (ALAS2023-2026-1583)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1583 advisory. When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email message...

ALSA-2026:7675 Important: nodejs24 security update

Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices...

cpython: Header injection via newlines in data URL mediatype in Python

Missing newline filtering has been discovered in Python. User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype...

cpython: wsgiref.headers.Headers allows header newline injection in Python

Missing newline filtering has been discovered in Python. User-controlled header names and values containing newlines can allow injecting HTTP headers...

cpython: Missing character filtering in Python

Missing character filtering has been discovered in Python. When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not...

cpython: email header injection due to unquoted newlines

A flaw was found in the email module in the Python standard library. When serializing an email message, the BytesGenerator class fails to properly quote newline characters for email headers. This issue is exploitable when the LiteralHeader class is used as it does not respect email folding rules,...

OESA-2026-1903 python-tornado security update

Tornado is an open source version of the scalable, non-blocking web server and tools. Security Fixes: Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers where it could be used for header...

OESA-2026-1881 busybox security update

BusyBox combines tiny versions of many common UNIX utilities into a single small executable. It provides replacements for most of the utilities you usually find in GNU fileutils, shellutils, etc. It provides a fairly complete environment for any small or embedded system. Security Fixes: BusyBox...

OESA-2026-1880 busybox security update

BusyBox combines tiny versions of many common UNIX utilities into a single small executable. It provides replacements for most of the utilities you usually find in GNU fileutils, shellutils, etc. It provides a fairly complete environment for any small or embedded system. Security Fixes: BusyBox...

OESA-2026-1879 busybox security update

BusyBox combines tiny versions of many common UNIX utilities into a single small executable. It provides replacements for most of the utilities you usually find in GNU fileutils, shellutils, etc. It provides a fairly complete environment for any small or embedded system. Security Fixes: BusyBox...

SUSE CVE-2026-1527

ImpactWhen an application passes user-controlled input to the upgrade option of client.request, an attacker can inject CRLF sequences \r\n to: Inject arbitrary HTTP headers Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services Redis, Memcached, Elasticsearch The...