OESA-2026-2832 python-zeroconf security update

Pure Python Multicast DNS Service Discovery Library Bonjour/Avahi compatible Security Fixes: readcharacterstring and readstring in src/zeroconf/protocol/incoming.py sliced self.dataself.offset : self.offset + length and advanced self.offset by the declared length without checking it against...

OESA-2026-2814 python-urllib3 security update

HTTP library with thread-safe connection pooling, file post support, sanity friendly, and more. Security Fixes: urllib3 version 2.6.3 is vulnerable to a decompression bomb bypass in its streaming API preloadcontent=False when using Brotli support. The issue arises due to three independent code...

python-pyjwt: PyJWT: Authentication bypass due to forged JSON Web Tokens

A flaw was found in PyJWT, a Python library for JSON Web Token JWT implementation. When decoding JWTs, the library fails to validate the use of JSON Web Keys JWK in the HMAC algorithm while also supporting asymmetric algorithms. This allows a remote attacker to use the issuer's public key as the...

python-pyjwt: PyJWT: Authentication bypass due to forged JSON Web Tokens

A flaw was found in PyJWT, a Python library for JSON Web Token JWT implementation. When decoding JWTs, the library fails to validate the use of JSON Web Keys JWK in the HMAC algorithm while also supporting asymmetric algorithms. This allows a remote attacker to use the issuer's public key as the...

Important: Red Hat Security Advisory: fence-agents security update

An update for fence-agents is now available for Red Hat Enterprise Linux 10.0 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 availab...

Important: Red Hat Security Advisory: python3 security update

An update for python3 is now available for Red Hat Enterprise Linux 7 Extended Lifecycle 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 fo...

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...

OPENSUSE-SU-2026:11190-1 python313-dulwich-1.2.7-1.1 on GA media

These are all security issues fixed in the python313-dulwich-1.2.7-1.1 package on the GA media of openSUSE Tumbleweed...

MiracleLinux 9 : python3.9-3.9.25-7.el9 (AXSA:2026-1096:05)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1096:05 advisory. python: Python: Command-line option injection in webbrowser.open via crafted URLs CVE-2026-4519 python: Python: Arbitrary code execution or...

The vulnerability of the HTTPConnection.urlopen() method in the HTTP library of the Urllib3 Python programming language, which allows attackers to gain unauthorized access to protected information.

The vulnerability of the HTTPConnection.urlopen method in the Python HTTP library, Urllib3, is related to insufficient protection of sensitive data. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information...

Fedora 43 : python-jupyter-server (2026-275d2ecbbd)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-275d2ecbbd advisory. New version fixing high-severity CVE. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has...

OPENSUSE-SU-2026:11191-1 python313-lxml_html_clean-0.4.5-1.1 on GA media

These are all security issues fixed in the python313-lxmlhtmlclean-0.4.5-1.1 package on the GA media of openSUSE Tumbleweed...

OPENSUSE-SU-2026:11196-1 python313-yt-dlp-2026.07.04-1.1 on GA media

These are all security issues fixed in the python313-yt-dlp-2026.07.04-1.1 package on the GA media of openSUSE Tumbleweed...

RHEL 7 : python3 (RHSA-2026:35838)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:35838 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic da...

Fedora 45 : python-llvmlite (2026-ebbaee3606)

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-ebbaee3606 advisory. Automatic update for python-llvmlite-0.48.0-1.fc45. Changelog Fri Jul 3 2026 Benjamin A. Beasley - 0.48.0-1 - Update to 0.48.0 - Closes RHBZ2453491;...

python: Python tarfile module: Denial of Service via improper EOF handling in streaming mode

A flaw was found in the Python tarfile module. When processing a specially crafted tar archive opened in 'streaming mode' mode='r|', the module does not properly handle the end-of-file EOF condition. This can cause the tarfile module to enter an infinite loop, leading to a Denial of Service DoS f...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: python3.12: python3.12-3.12.13-3.3.hum1 aarch64, x8664 python3.12-debug-3.12.13-3.3.hum1 aarch64, x8664 python3.12-devel-3.12.13-3.3.hum1 aarch64, x8664 python3.12-idle-3.12.13-3.3.hum1 aarch64,...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: python3.13: python3.13-3.13.14-1.2.hum1 aarch64, x8664 python3.13-debug-3.13.14-1.2.hum1 aarch64, x8664 python3.13-devel-3.13.14-1.2.hum1 aarch64, x8664 python3.13-freethreading-3.13.14-1.2.hum1...

python: Python tarfile module: Denial of Service via improper EOF handling in streaming mode

A flaw was found in the Python tarfile module. When processing a specially crafted tar archive opened in 'streaming mode' mode='r|', the module does not properly handle the end-of-file EOF condition. This can cause the tarfile module to enter an infinite loop, leading to a Denial of Service DoS f...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: python3.11: python3.11-3.11.15-4.4.hum1 aarch64, x8664 python3.11-debug-3.11.15-4.4.hum1 aarch64, x8664 python3.11-devel-3.11.15-4.4.hum1 aarch64, x8664 python3.11-idle-3.11.15-4.4.hum1 aarch64,...