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    CVE-2024-27351

    In Django 3.2 before 3.2.25, 4.2 before 4.2.11, and 5.0 before 5.0.3, the django.utils.text.Truncator.words() method (with html=True) and the truncatewords_html template filter are subject to a potential regular expression denial-of-service attack via a crafted string. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232 and CVE-2023-43665.

    Published:Mar 4, 2024
    Last Modified:Nov 4, 2025
    EPS:Mar 15, 2024
    EPSS Score:0.01572
    CVSS Score:5.3

    Affected Products

    Vendor
    Djangoproject
    Product
    Django
    Vendor
    Redhat
    Product
    Ansible Automation Platform
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Rhui
    Vendor
    Redhat
    Product
    Satellite
    Vendor
    Redhat
    Product
    Satellite Capsule

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-492 Regular Expression Exponential Blowup

    Related CVEs

    CVE-2026-15920 (CVSS 5.1) — An issue was discovered in Django 5.2 before 5.2.17 and 6.0 before 6.0.8. `django.contrib.admin.utils.display_…
    CVE-2026-15830 (CVSS 6.9) — An issue was discovered in Django 5.2 before 5.2.17 and 6.0 before 6.0.8. GeoDjango's `django.contrib.gis.geos…
    CVE-2026-15337 (CVSS 6.9) — An issue was discovered in Django 5.2 before 5.2.17 and 6.0 before 6.0.8. `django.utils.translation.check_for_…
    CVE-2026-15307 (CVSS 8.7) — An issue was discovered in Django 5.2 before 5.2.17 and 6.0 before 6.0.8. GeoDjango spatial lookups optimistic…
    CVE-2026-53877 (CVSS 6.3) — An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. `django.contrib.gis.gdal.GDALRaster`…
    CVE-2026-53878 (CVSS 5.3) — An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. `DomainNameValidator` does not prohi…
    CVE-2026-48588 (CVSS 2.3) — An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. `UpdateCacheMiddleware` and the `cac…
    CVE-2026-48587 (CVSS 2.3) — An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. `django.utils.cache.has_vary_header(…
    CVE-2026-35193 (CVSS 2.3) — An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. `django.middleware.cache.UpdateCache…
    CVE-2026-8404 (CVSS 2.3) — An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. `django.middleware.cache.UpdateCache…

    References

    http://www.openwall.com/lists/oss-security/2024/03/04/1
    https://docs.djangoproject.com/en/5.0/releases/security/
    https://groups.google.com/forum/#%21forum/django-announce
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D2JIRXEDP4ZET5KFMAPPYSK663Q52NEX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SN2PLJGYSAAG5KUVIUFJYKD3BLQ4OSN6/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/
    https://www.djangoproject.com/weblog/2024/mar/04/security-releases/
    http://www.openwall.com/lists/oss-security/2024/03/04/1
    https://docs.djangoproject.com/en/5.0/releases/security/
    https://github.com/django/django/commit/072963e4c4d0b3a7a8c5412bc0c7d27d1a9c3521
    https://github.com/django/django/commit/3394fc6132436eca89e997083bae9985fb7e761e
    https://github.com/django/django/commit/3c9a2771cc80821e041b16eb36c1c37af5349d4a
    https://groups.google.com/forum/#%21forum/django-announce
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D2JIRXEDP4ZET5KFMAPPYSK663Q52NEX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SN2PLJGYSAAG5KUVIUFJYKD3BLQ4OSN6/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/D2JIRXEDP4ZET5KFMAPPYSK663Q52NEX/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/SN2PLJGYSAAG5KUVIUFJYKD3BLQ4OSN6/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/
    https://www.djangoproject.com/weblog/2024/mar/04/security-releases/

    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