RHEL 9 : python3.11 (RHSA-2026:9260)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:9260 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic dat...

RHEL 8 : python3 (RHSA-2026:9289)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:9289 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic dat...

Important: Red Hat Security Advisory: python3.11 security update

An update for python3.11 is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. 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...

python: Python: Command-line option injection in webbrowser.open() via crafted URLs

A flaw was found in Python. The webbrowser.open API, used to launch web browsers, does not properly sanitize input. This allows a remote attacker to craft a malicious URL containing leading dashes. When such a URL is opened, certain web browsers may interpret these dashes as command-line options,...

RHEL 9 : python3.11 (RHSA-2026:9042)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:9042 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic dat...

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...

FreeBSD : python -- more webbrowser.open() command injection vulnerabilities (cf75f572-378a-11f1-a119-e36228bfe7d4)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the cf75f572-378a-11f1-a119-e36228bfe7d4 advisory. Seth Larson reports: CVE-2026-4786 Incomplete mitigation of CVE-2026-4519, %action expansion for comman...

SUSE-SU-2026:1417-1 Security update for python

This update for python fixes the following issues: - CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYPE are combined bsc1259611. - CVE-2026-3479: improper resource argument validation can allow path traversal bsc1259989. - CVE-2026-3644: incomplete control...

SUSE-SU-2026:21254-1 Security update for python311

This update for python311 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 python3

This update for python3 fixes the following issues: CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYPE are combined bsc1259611. CVE-2026-3479: improper resource argument validation can allow path traversal bsc1259989. CVE-2026-3644: incomplete control charact...

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 path...

SUSE CVE-2026-4786

Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open" API could have commands injected into the underlying shell. See CVE-2026-4519 for details...

CVE-2026-4786

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...

CLSA-2026-1776169648 python3.9: Fix of CVE-2026-4519

CVE-2026-4519: reject leading dashes in webbrowser URLs - Update pubkeys.txt with refreshed Łukasz Langa GPG key expired 2025-05-12...

EUVD-2026-22134

Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open" API could have commands injected into the underlying shell. See CVE-2026-4519 for details...

Important: python

Issue Overview: The "tarfile" module would still apply normalization of AREGTYPE \x00 blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPELONGNAME or GNUTYPELONGLINK. This could result in a crafted tar archive being misinterpreted by the tarfile module compared to other...

Amazon Linux 2 : python3, --advisory ALAS2-2026-3228 (ALAS-2026-3228)

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 ALAS2-2026-3228 advisory. The tarfile module would still apply normalization of AREGTYPE \x00 blocks to DIRTYPE, even while processing a multi-bloc...

Important: python3

Issue Overview: The "tarfile" module would still apply normalization of AREGTYPE \x00 blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPELONGNAME or GNUTYPELONGLINK. This could result in a crafted tar archive being misinterpreted by the tarfile module compared to other...

DEBIAN-CVE-2026-4786

Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open" API could have commands injected into the underlying shell. See CVE-2026-4519 for details...

CVE-2026-4786

CVE-2026-4786 notes incomplete mitigation of CVE-2026-4519. The issue arises when a URL contains "%action" allowing bypass of mitigation for certain browser types in Python's webbrowser.open(), enabling potential commands injected into the underlying shell. Connected CVE-4519 details indicate the...