CVE-2025-32873
mediumpriority · track · 36EPSS 0.143 · 97 %ileexploit · PoCDEEURUUSEPSS · scored 2026-10-27
An issue was discovered in Django 4.2 before 4.2.21, 5.1 before 5.1.9, and 5.2 before 5.2.1. The django.utils.html.strip_tags() function is vulnerable to a potential denial-of-service (slow performance) when processing inputs containing large sequences of incomplete HTML tags. The template filter striptags is also vulnerable, because it is built on top of strip_tags().
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedpython312-Django6-0:6.0-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedpython312-Django6-0:6.0-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedpython312-Django6-0:6.0-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedpython312-Django6-0:6.0-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedpython313-Django6-0:6.0-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedpython313-Django6-0:6.0-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedpython313-Django6-0:6.0-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedpython313-Django6-0:6.0-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
affected products (35)
Products and version ranges known to be affected.
advisories (5)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-0964Django: Schwachstelle ermöglicht Denial of ServiceDeutsch2025-05-07csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Django ausnutzen, um einen Denial of Service Angriff durchzuführen.
- openSUSE-SU-2026:10005-1python312-Django6-6.0-1.1 on GA media2026-01-03csaf · suse_csafDE
python312-Django6-6.0-1.1 on GA media
- GHSA-8j24-cjrq-gr2mDjango has a denial-of-service possibility in strip_tags()2025-05-08ghsa · osvUS
An issue was discovered in Django 4.2 before 4.2.21, 5.1 before 5.1.9, and 5.2 before 5.2.1. The django.utils.html.strip_tags() function is vulnerable to a potential denial-of-service (slow performance) when processing inputs containing large sequences of incomplete HTML tags. The template filter striptags is also vulnerable, because it is built on top of strip_tags().
- BIT-django-2025-328732025-06-18vendor · osvUS
An issue was discovered in Django 4.2 before 4.2.21, 5.1 before 5.1.9, and 5.2 before 5.2.1. The django.utils.html.strip_tags() function is vulnerable to a potential denial-of-service (slow performance) when processing inputs containing large sequences of incomplete HTML tags. The template filter striptags is also vulnerable, because it is built on top of strip_tags().
- PYSEC-2025-372025-05-08vendor · osvUS
An issue was discovered in Django 4.2 before 4.2.21, 5.1 before 5.1.9, and 5.2 before 5.2.1. The django.utils.html.strip_tags() function is vulnerable to a potential denial-of-service (slow performance) when processing inputs containing large sequences of incomplete HTML tags. The template filter striptags is also vulnerable, because it is built on top of strip_tags().
also known as (8)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (14)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2025/05/07/1cnnvd
- https://docs.djangoproject.com/en/dev/releases/security/cnnvd
- https://groups.google.com/g/django-announcecnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2025-32873cnnvd
- https://vigilance.fr/vulnerability/Django-denial-of-service-via-strip-tags-47101cnnvd
- https://www.djangoproject.com/download/Patchcnnvd
- https://www.djangoproject.com/weblog/2025/may/07/security-releases/cnnvd
- https://docs.djangoproject.com/en/dev/releases/security/enisa_euvd
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