RHSA-2026:19549 Red Hat Security Advisory: python3 security update

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RHSA-2026:19366 Red Hat Security Advisory: python-markdown security update

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RHSA-2026:19197 Red Hat Security Advisory: python-jwcrypto security update

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RHSA-2026:19189 Red Hat Security Advisory: python-tornado security update

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RHSA-2026:19177 Red Hat Security Advisory: python3.12 security update

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RHSA-2026:19175 Red Hat Security Advisory: python3.11 security update

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RHSA-2026:19155 Red Hat Security Advisory: python-markdown security update

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RHSA-2026:19064 Red Hat Security Advisory: python3.12 security update

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RHSA-2026:19042 Red Hat Security Advisory: python-jwcrypto security update

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RHSA-2026:19034 Red Hat Security Advisory: python-tornado security update

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RHSA-2026:19019 Red Hat Security Advisory: python3.14 security update

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RHSA-2026:18958 Red Hat Security Advisory: python3.12 security update

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RHSA-2026:18957 Red Hat Security Advisory: python3.11 security update

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RHSA-2026:18693 Red Hat Security Advisory: python3.9 security update

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Important: Red Hat Security Advisory: python3.9 security update

An update for python3.9 is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. 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...

python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules

A flaw was found in Python's decompression modules, including lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile. This vulnerability, a use-after-free, can occur if a program attempts to re-use a decompression object after a memory allocation error, especially when the system is...

python: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API

A flaw was found in the Python webbrowser.open API. If a specially crafted URL containing "%action" is processed, an attacker could bypass a previous mitigation for CVE-2026-4519. This bypass allows for command injection into the underlying shell, potentially leading to arbitrary code execution...

python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules

A flaw was found in Python's decompression modules, including lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile. This vulnerability, a use-after-free, can occur if a program attempts to re-use a decompression object after a memory allocation error, especially when the system is...

python: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API

A flaw was found in the Python webbrowser.open API. If a specially crafted URL containing "%action" is processed, an attacker could bypass a previous mitigation for CVE-2026-4519. This bypass allows for command injection into the underlying shell, potentially leading to arbitrary code execution...

Important: Red Hat Security Advisory: python3 security update

An update for python3 is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...