MimeKit injection vulnerability

MimeKit is a C library developed by Jeffrey Stedfast for creating and parsing MIME messages. Versions of MimeKit prior to 4.15.1 had a injection vulnerability, which stemmed from CRLF injections in the local part of SMTP envelope addresses. This vulnerability could lead to SMTP command injections...

Medium: python3

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...

Amazon Linux 2 : python3, --advisory ALAS2-2026-3184 (ALAS-2026-3184)

The version of python3 installed on the remote host is prior to 3.7.16-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3184 advisory. When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be...

Medium: python3.11

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...

SUSE SLES15 Security Update : python311 (SUSE-SU-2026:0693-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0693-1 advisory. - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters...

SUSE SLED15: libpython3_13-1_0 / python313 / python313-base / python313-curses / etc (SUSE-SU-2026:0642-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0642-1 advisory. Update to Python 3.13.12 - CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and...

PT-2026-22890

Name of the Vulnerable Software and Affected Versions SEPPmail Secure Email Gateway versions prior to 15.0.1 Description SEPPmail Secure Email Gateway versions prior to 15.0.1 have an issue where the software incorrectly interprets email addresses within email headers. This misinterpretation can...

OESA-2026-1463 python3 security update

Python combines remarkable power with very clear syntax. It has modules, classes, exceptions, very high level dynamic data types, and dynamic typing. There are interfaces to many system calls and libraries, as well as to various windowing systems. New built-in modules are easily written in C or C...

OESA-2026-1459 python3 security update

Python combines remarkable power with very clear syntax. It has modules, classes, exceptions, very high level dynamic data types, and dynamic typing. There are interfaces to many system calls and libraries, as well as to various windowing systems. New built-in modules are easily written in C or C...

OESA-2026-1458 python3 security update

Python combines remarkable power with very clear syntax. It has modules, classes, exceptions, very high level dynamic data types, and dynamic typing. There are interfaces to many system calls and libraries, as well as to various windowing systems. New built-in modules are easily written in C or C...

OESA-2026-1460 python3 security update

Python combines remarkable power with very clear syntax. It has modules, classes, exceptions, very high level dynamic data types, and dynamic typing. There are interfaces to many system calls and libraries, as well as to various windowing systems. New built-in modules are easily written in C or C...

SUSE-SU-2026:0664-1 Security update for python3

This update for python3 fixes the following issues: - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. - CVE-2026-0672: HTTP header injection via user-controlled cookie values and parameters when using...

Security update for python310

This update for python310 fixes the following issues: CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. CVE-2026-0672: HTTP header injection via user-controlled cookie values and parameters when using...

openSUSE 16 Security Update : python313 (openSUSE-SU-2026:20254-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20254-1 advisory. Update to version 3.13.12. Security issues fixed: - CVE-2025-11468: header injection when folding a long comment in an email header containing...

SUSE-SU-2026:20581-1 Security update for python313

This update for python313 fixes the following issues: Update to version 3.13.12. Security issues fixed: - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. - CVE-2025-15282: user-controlled data URLs parsed may...

Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2026-1437)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1437 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...

Medium: python3.13

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...

Medium: python3.12

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...

Python Email Header Injection Mitigation Tester

This tool demonstrates how modern Python's email library EmailMessage with policy.default effectively prevents email header injection attacks. By rejecting newline and carriage return characters in header values, the library enforces RFC 5322 compliance and blocks classic injection attempts such ...

Alibaba Cloud Linux 3 : 0035: python3 (ALINUX3-SA-2026:0035)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2026:0035 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2025-12084: When building nested...