cpython: Incomplete control character validation in http.cookies

A control character validation flaw has been discovered in the Python http.cookie module. The Morsel.update, |= operator, and unpickling paths were not patched to resolve CVE-2026-0672, allowing control characters to bypass input validation. Additionally, BaseCookie.jsoutput lacked the output...

Important: python3.12 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

ALSA-2026:19177 Important: python3.12 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

[SECURITY] [DLA 4583-1] python3.9 security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4583-1 [email protected] https://www.debian.org/lts/security/ Arnaud Rebillout May 15, 2026 https://wiki.debian.org/LTS -...

ROS-20260505-73-0010

A vulnerability in the http.cookies library of the Python programming language interpreter CPython is related to improper encoding or escaping of output data. Exploitation of the vulnerability could allow a remote attacker to affect the confidentiality and integrity of protected information...

ROS-20260505-73-0013

A vulnerability in the http.cookies library of the Python programming language interpreter CPython is related to improper encoding or escaping of output data. Exploitation of the vulnerability could allow a remote attacker to affect the confidentiality and integrity of protected information...

ROS-20260505-73-0053

A vulnerability in the http.cookies.Morsel component of the Python programming language interpreter is related to the failure to take measures to neutralize CRLF sequences. Exploitation of the vulnerability could allow a remote attacker to affect the availability of protected information...

ROS-20260505-73-0011

A vulnerability in the http.cookies library of the Python programming language interpreter CPython is related to improper encoding or escaping of output data. Exploitation of the vulnerability could allow a remote attacker to affect the confidentiality and integrity of protected information...

Amazon Linux 2023 : python3.14, python3.14-devel, python3.14-freethreading (ALAS2023-2026-1617)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1617 advisory. 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, a...

cpython: Incomplete control character validation in http.cookies

A control character validation flaw has been discovered in the Python http.cookie module. The Morsel.update, |= operator, and unpickling paths were not patched to resolve CVE-2026-0672, allowing control characters to bypass input validation. Additionally, BaseCookie.jsoutput lacked the output...

ALSA-2026:10950 Important: python3.12 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

Important: python3.12 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

UBUNTU-CVE-2026-6019

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 SLES15 Security Update : python311 (SUSE-SU-2026:1530-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1530-1 advisory. - CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYPE are combined bsc1259611. - CVE-2026-3479...

SUSE-SU-2026:1376-1 Security update for python310

This update for python310 fixes the following issues: - CVE-2025-13462: incorrect parsing of TarInfo when GNU long name and type AREGTYPE are combined can lead to misinterpretation of tar archives bsc1259611. - CVE-2026-3479: improper resource argument validation in pkgutil.getdata can lead to pa...

Security update for python311

This update for python311 fixes the following issues: Updated to Python 3.11.15 CVE-2025-6075: If the value passed to os.path.expandvars is user-controlled a performance degradation is possible when expanding environment variables bsc1252974. CVE-2025-11468: header injection when folding a long...

SUSE-SU-2026:1296-1 Security update for python39

This update for python39 fixes the following issues: - CVE-2025-13462: incorrect parsing of TarInfo when GNU long name and type AREGTYPE are combined can lead to misinterpretation of tar archives bsc1259611. - CVE-2026-3644: incomplete control character validation in http.cookies can lead to inpu...

SUSE-SU-2026:21104-1 Security update for python313

This update for python313 fixes the following issues: Update to version 3.13.13. - CVE-2025-13462: incorrect parsing of TarInfo when GNU long name and type AREGTYPE are combined can lead to misinterpretation of tar archives bsc1259611. - CVE-2026-2297: incorrectly handled hook in FileLoader can...

SUSE-SU-2026:21178-1 Security update for python313

This update for python313 fixes the following issues: Update to version 3.13.13. - CVE-2025-13462: incorrect parsing of TarInfo when GNU long name and type AREGTYPE are combined can lead to misinterpretation of tar archives bsc1259611. - CVE-2026-2297: incorrectly handled hook in FileLoader can...

SUSE-SU-2026:1292-1 Security update for python312

This update for python312 fixes the following issues: - CVE-2025-13462: incorrect parsing of TarInfo when GNU long name and type AREGTYPE are combined can lead to misinterpretation of tar archives bsc1259611. - CVE-2026-3479: improper resource argument validation in pkgutil.getdata can lead to pa...