Is CVE-2024-27351 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 2%.

What products does CVE-2024-27351 affect?

Tracked products affected include Django. Check the version you run to see whether it is affected.

How do I fix CVE-2024-27351?

Apply the vendor fix in your normal patch cycle. Upgrade affected products to a fixed version.

CVE-2024-27351

Q: What is CVE-2024-27351?

CVE-2024-27351 is a medium-severity software vulnerability (CWE-1333) with a CVSS score of 5.3. 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

MEDIUM severity · CVSS 5.3 · CWE-1333

5.3CVSS MEDIUM

Summary

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.

Impact & exploitability

Attack vectorNetwork

Attack complexityHigh

Privileges requiredNone

User interactionRequired

Confidentiality impactNone

Integrity impactNone

Availability impactHigh

Exploit probability (EPSS)2%

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products we track (1)

Django

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

NVD record
https://docs.djangoproject.com/en/5.0/releases/security/Advisory
https://www.djangoproject.com/weblog/2024/mar/04/security-releases/Advisory
http://www.openwall.com/lists/oss-security/2024/03/04/1
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/