CVE-2026-0865 wsgiref.headers.Headers allows header newline injection

User-controlled header names and values containing newlines can allow injecting HTTP headers...

PSF-2026-6

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2025-11468

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...

PSF-2026-1

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 Folding email comments of unfoldable characters doesn't preserve parenthesis

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 Folding email comments of unfoldable characters doesn't preserve parenthesis

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 Folding email comments of unfoldable characters doesn't preserve parenthesis

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...

Improper Neutralization

Overview Affected versions of this package are vulnerable to Improper Neutralization in the email header when folding a long comment that contains only unfoldable characters. An attacker can inject headers into a message between unhandled parentheses. Remediation A fix was pushed into the master...

CVE-2025-11468

CVE-2025-11468 refers to a Python vulnerability where folding a long comment in an email header that contains exclusively unfoldable characters can cause the parenthesis to be lost, enabling header injection when the addresses are user-controlled. The issue is tied to Python’s email/header handli...

CVE-2025-11468

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...

GHSA-54WQ-72MP-CQ7C Mailpit has an SMTP Header Injection via Regex Bypass

Vulnerability Report: SMTP Header Injection via Regex Bypass Vulnerable Code: mailpit/internal/smtpd/smtpd.go Executive Summary Mailpit's SMTP server is vulnerable to Header Injection due to an insufficient Regular Expression used to validate RCPT TO and MAIL FROM addresses. An attacker can injec...

Mailpit has an SMTP Header Injection via Regex Bypass

Vulnerability Report: SMTP Header Injection via Regex Bypass Vulnerable Code: mailpit/internal/smtpd/smtpd.go Executive Summary Mailpit's SMTP server is vulnerable to Header Injection due to an insufficient Regular Expression used to validate RCPT TO and MAIL FROM addresses. An attacker can injec...

EUVD-2026-3297

Mailpit has an SMTP Header Injection via Regex Bypass...

CPython security vulnerabilities

CPython is a Python interpreter implemented in C language by the Python Foundation. CPython has security vulnerabilities, where user-controlled headers containing line breaks can lead to HTTP header injection attacks...

CPython security vulnerabilities

CPython is a Python interpreter implemented in C language by the Python Foundation. CPython has security vulnerabilities, which stem from allowing header injection via line breaks when parsing data URLs that are controlled by users...

MiracleLinux 8 : python3.11-3.11.9-7.el8_10 (AXSA:2024-8834:23)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8834:23 advisory. python: incorrect IPv4 and IPv6 private ranges CVE-2024-4032 cpython: python: email module doesn't properly quotes newlines in email headers, allowi...

MiracleLinux 8 : python39:3.9 and python39-devel:3.9 (AXSA:2024-8745:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8745:01 advisory. python: incorrect IPv4 and IPv6 private ranges CVE-2024-4032 pypa/setuptools: Remote code execution via download functions in the packageindex modul...

PT-2026-3652

Name of the Vulnerable Software and Affected Versions Versions prior to 2025-11468 Description A flaw exists where parenthesis are not preserved when folding a long comment in an email header containing exclusively unfoldable characters. This can allow for the injection of headers into email...

MiracleLinux 7 : java-11-openjdk-11.0.7.10-4.el7 (AXSA:2020-011:04)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2020-011:04 advisory. OpenJDK: Incorrect bounds checks in NIO Buffers Libraries, 8234841 CVE-2020-2803 OpenJDK: Incorrect type checks in MethodType.readObject Libraries,...