cpython: Header injection in http.cookies.Morsel in Python

An injection flaw has been discovered in Python. When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch rejects all control characters within cookie names, values, and parameters...

PSF-2026-21

http.cookies.Morsel.jsoutput returns an inline snippet and only escapes " for JavaScript string context. It does not neutralize the HTML parser-sensitive sequence inside the generated script element. Mitigation base64-encodes the cookie value to disallow escaping using cookie value...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : python311 (SUSE-SU-2026:0767-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0767-1 advisory. - CVE-2025-11468: header injection when folding a long comment in an email header containing...

SUSE SLES12 Security Update : python3 (SUSE-SU-2026:0645-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0645-1 advisory. - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. -...

SUSE SLES15 / openSUSE 15 Security Update : python312 (SUSE-SU-2026:0644-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0644-1 advisory. - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable...

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...

Security update for python311

This update for python311 fixes the following issues: CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. CVE-2025-12781: inadequate parameter check can cause data integrity issues bsc1257108. CVE-2025-15282:...

SUSE-SU-2026:0767-1 Security update for python311

This update for python311 fixes the following issues: - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. - CVE-2025-12781: inadequate parameter check can cause data integrity issues bsc1257108. - CVE-2025-1528...

SUSE SLES12: libpython2_7-1_0 / libpython2_7-1_0-32bit / python / python-32bit / etc (SUSE-SU-2026:0663-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0663-1 advisory. - CVE-2025-6075: Fixed performance degradation when using os.path.expandvars bsc1252974. - CVE-2026-0672: Fixed a HTTP header injection via...

SUSE SLES15 / openSUSE 15 Security Update : python39 (SUSE-SU-2026:0643-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0643-1 advisory. - CVE-2025-11468: Fixed a header injection when folding a long comment in an email header containing exclusively...

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...

SUSE-SU-2026:0693-1 Security update for python311

This update for python311 fixes the following issues: - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. - CVE-2025-12781: inadequate parameter check can cause data integrity issues bsc1257108. - CVE-2025-1528...

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...

SUSE-SU-2026:0663-1 Security update for python

This update for python fixes the following issues: - CVE-2025-6075: Fixed performance degradation when using os.path.expandvars bsc1252974. - CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and parameters when using http.cookies.Morsel. bsc1257031 - CVE-2026-0865:...

SUSE SLES12 Security Update : python36 (SUSE-SU-2026:0612-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0612-1 advisory. - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. -...

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...

SUSE-SU-2026:0645-1 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...

SUSE-SU-2026:0644-1 Security update for python312

This update for python312 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 python39

This update for python39 fixes the following issues: CVE-2025-11468: Fixed a header injection when folding a long comment in an email header containing exclusively unfoldable characters. bsc1257029 CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and parameters when...

SUSE-SU-2026:0613-1 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...