USN-4975-1

    Dashboard / Vulnerabilities / USN-4975-1

    USN-4975-1

    Published: 2 Jun 2021Last Modified: 10 Feb 2026

    Summary: python-django vulnerabilities

    Details: It was discovered that the Django URLValidator function incorrectly handled newlines and tabs. A remote attacker could possibly use this issue to perform a header injection attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-32052) Rasmus Lerchedahl Petersen and Rasmus Wriedt Larsen discovered that Django incorrectly handled path sanitation in admindocs. A remote attacker could possibly use this issue to determine the existence of arbitrary files and in certain configurations obtain their contents. (CVE-2021-33203) It was discovered that Django incorrectly handled IPv4 addresses with leading zeros. A remote attacker could possibly use this issue to perform a wide variety of attacks, including bypassing certain access restrictions. (CVE-2021-33571)

    Affected packages

    Package

    Name: python-django

    Purl: pkg:deb/ubuntu/python-django@1:1.11.11-1ubuntu1.14?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:1.11.11-1ubuntu1.14

    Affected versions

    1:1.11.4-1ubuntu1
    1:1.11.6-1ubuntu1
    1:1.11.9-1ubuntu1
    1:1.11.11-1ubuntu1
    1:1.11.11-1ubuntu1.1
    1:1.11.11-1ubuntu1.2
    1:1.11.11-1ubuntu1.3
    1:1.11.11-1ubuntu1.4
    1:1.11.11-1ubuntu1.5
    1:1.11.11-1ubuntu1.6
    1:1.11.11-1ubuntu1.7
    1:1.11.11-1ubuntu1.8
    1:1.11.11-1ubuntu1.9
    1:1.11.11-1ubuntu1.10
    1:1.11.11-1ubuntu1.11
    1:1.11.11-1ubuntu1.12
    1:1.11.11-1ubuntu1.13

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    USN-4975-1 | CVE-DB