RHSA-2026:39127 Red Hat Security Advisory: python-pillow security update

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Security update for python-cryptography

This update for python-cryptography fixes the following issues CVE-2026-41676: openssl: Deriver:derive and PkeyCtxRef:derive can overflow short buffers on OpenSSL 1.1.1 bsc1270208. CVE-2026-41677: openssl: out-of-bounds read in PEM password callback when returning an oversized length in rust-...

python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations

A flaw was found in Python. Its incremental HTML parser can be exploited by a remote attacker. By sending specially crafted, uncontrolled data with repeated, incomplete markup declarations, the attacker can cause the system to consume excessive central processing unit CPU resources. This leads to...

Important: Red Hat Security Advisory: python3.12 security update

An update for python3.12 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fro...

PT-2026-60360

Name of the Vulnerable Software and Affected Versions dd-trace-py versions prior to 4.8.2 Description Datadog tracing libraries implementing W3C baggage propagation fail to enforce limits on the number of items or total bytes when parsing incoming baggage HTTP headers during the extraction proces...

PT-2026-60301

Name of the Vulnerable Software and Affected Versions mcp versions prior to 1.28.1 Description The MCP Python SDK, a Python implementation of the Model Context Protocol, contains an issue in the deprecated mcp.server.websocket.websocket server transport. This component accepts WebSocket handshake...

The vulnerability of the tool for creating isolated virtual environments in Python’s virtualenv, related to synchronization errors when using a shared resource, allows a malicious actor to trigger a service failure.

The vulnerability of the tool for creating isolated virtual environments in Python virtualenv is related to synchronization errors when using a shared resource. Exploiting this vulnerability can allow an attacker to cause a service failure...

RockyLinux 8 : python3 (RLSA-2026:39320)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:39320 advisory. python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations CVE-2026-15308 Tenable has extracted the preceding description...

RockyLinux 10 : python3.12 (RLSA-2026:39183)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:39183 advisory. python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations CVE-2026-15308 Tenable has extracted the preceding descriptio...

python3.12 security update

3.12.13-3 - Security fix for CVE-2026-15308 Resolves: RHEL-193776...

ALSA-2026:39771 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:...

RHEL 8 : python3 (RHSA-2026:39320)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:39320 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic da...

ALSA-2026:39893 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:...

AlmaLinux 9 : python3.9 (ALSA-2026:39798)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:39798 advisory. python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations CVE-2026-15308 Bug Fixes and Enhancements: python3.9 testssl...

RHEL 9 : python3.12 (RHSA-2026:39771)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:39771 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic da...

AlmaLinux 8 : python3 (ALSA-2026:39320)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:39320 advisory. python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations CVE-2026-15308 Tenable has extracted the preceding description...

AlmaLinux 10 : python3.12 (ALSA-2026:39183)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:39183 advisory. python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations CVE-2026-15308 Tenable has extracted the preceding description...

ALSA-2026:39798 Important: python3.9 security, bug fix, and enhancement 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: python3.9 security, bug fix, and enhancement 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:...