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python3 vulnerabilities

Vulnerabilities published for python3 in the last 30 days: 1. Listed in the KEV catalogue: 0.

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Vulnerabilities: 16

  1. RLSA-2026:85239

    High · CVSS 8.1Fix available

    Important: python3 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 Fix(es): * python: python: Arbitrary file deletion via race condition during temporary directory cleanup (CVE-2026-12345) * python: python: Certificate verification bypass via missing server_hostname validation in SSLContext.wrap_bio() (CVE-2026-19553) * python: Use-after-free of a server-side SSLContext when sni_callback switches contexts (CVE-2026-1944

    python3Operating systems
    • Update to 0:3.6.8-79.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  2. RLSA-2026:56219

    High · CVSS 7.3Fix available

    Important: python3 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 Fix(es): * python: cpython: CPython: tarfile extraction filter bypass allows escaping the destination directory (CVE-2026-11940) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    python3Operating systems
    • Update to 0:3.6.8-78.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  3. RLSA-2026:39320

    High · CVSS 7.5Fix available

    Important: python3 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 Fix(es): * python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations (CVE-2026-15308) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    python3Operating systems
    • Update to 0:3.6.8-77.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  4. RLSA-2026:6473

    High · CVSS 7.1Fix available

    Important: python3 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 Fix(es): * python: Python: Command-line option injection in webbrowser.open() via crafted URLs (CVE-2026-4519) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    python3Operating systems
    • Update to 0:3.6.8-75.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  5. RLSA-2026:2128

    High · CVSS 7.1Fix available

    Moderate: python3 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 Fix(es): * cpython: wsgiref.headers.Headers allows header newline injection in Python (CVE-2026-0865) * cpython: IMAP command injection in user-controlled commands (CVE-2025-15366) * cpython: POP3 command injection in user-controlled commands (CVE-2025-15367) * cpython: email header injection due to unquoted newlines (CVE-2026-1299) For more details ab

    python3Operating systems
    • Update to 0:3.6.8-73.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  6. RLSA-2026:1631

    High · CVSS 7.5Fix available

    Moderate: python3 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 Fix(es): * cpython: python: cpython: Quadratic algorithm in xml.dom.minidom leads to denial of service (CVE-2025-12084) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    python3Operating systems
    • Update to 0:3.6.8-72.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  7. RLSA-2026:11077

    High · CVSS 8.1Fix available

    Important: python3 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 Fix(es): * python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules (CVE-2026-6100) * python: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API (CVE-2026-4786) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and

    python3Operating systems
    • Update to 0:3.6.8-76.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  8. RLSA-2025:14560

    High · CVSS 7.5Fix available

    Moderate: python3 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 Fix(es): * cpython: Cpython infinite loop when parsing a tarfile (CVE-2025-8194) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    python3Operating systems
    • Update to 0:3.6.8-71.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  9. RLSA-2025:10128

    High · CVSS 7.6Fix available

    Important: python3 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 Fix(es): * cpython: Tarfile extracts filtered members when errorlevel=0 (CVE-2025-4435) * cpython: Bypass extraction filter to modify file metadata outside extraction directory (CVE-2024-12718) * cpython: Extraction filter bypass for linking outside extraction directory (CVE-2025-4330) * python: cpython: Arbitrary writes via tarfile realpath overflow (C

    python3Operating systems
    • Update to 0:3.6.8-70.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  10. RLSA-2024:10779

    Not ratedFix available

    Moderate: python3:3.6.8 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 Fix(es): * python: Virtual environment (venv) activation scripts don't quote paths (CVE-2024-9287) * python: Improper validation of IPv6 and IPvFuture addresses (CVE-2024-11168) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the Reference

    python3Operating systems
    • Update to 0:3.6.8-69.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  11. RLSA-2024:6975

    Not ratedFix available

    Moderate: python3 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 Fix(es): * python: incorrect IPv4 and IPv6 private ranges (CVE-2024-4032) * cpython: python: email module doesn't properly quotes newlines in email headers, allowing header injection (CVE-2024-6923) * python: cpython: tarfile: ReDos via excessive backtracking while parsing header values (CVE-2024-6232) For more details about the security issue(s), inclu

    python3Operating systems
    • Update to 0:3.6.8-67.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  12. RLSA-2024:3347

    Not ratedFix available

    Important: python3 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 Fix(es): * python: Path traversal on tempfile.TemporaryDirectory (CVE-2023-6597) * python: The zipfile module is vulnerable to zip-bombs leading to denial of service (CVE-2024-0450) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the Refer

    python3Operating systems
    • Update to 0:3.6.8-62.el8_10.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  13. RLSA-2024:0256

    Not ratedFix available

    Moderate: python3 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 Fix(es): * python: Parsing errors in email/_parseaddr.py lead to incorrect value in email address part of tuple (CVE-2023-27043) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    python3Operating systems
    • Update to 0:3.6.8-56.el8_9.3.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  14. RLSA-2023:5997

    Not ratedFix available

    Important: python3 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 Fix(es): * python: TLS handshake bypass (CVE-2023-40217) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    python3Operating systems
    • Update to 0:3.6.8-51.el8_8.2.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  15. RLSA-2023:3591

    Not ratedFix available

    Important: python3 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 Fix(es): * python: urllib.parse url blocklisting bypass (CVE-2023-24329) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    python3Operating systems
    • Update to 0:3.6.8-51.el8_8.1.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  16. RLSA-2023:0833

    High · CVSS 7.5Fix available

    Moderate: python3 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 Fix(es): * python: int() type in PyLong_FromString() does not limit amount of digits converting text to int leading to DoS (CVE-2020-10735) * python: open redirection vulnerability in lib/http/server.py may lead to information disclosure (CVE-2021-28861) * Python: CPU denial of service via inefficient IDNA decoder (CVE-2022-45061) For more details about

    python3Operating systems
    • Update to 0:3.6.8-48.el8_7.1.rocky.0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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