CVE-2023-41164: djangoproject django
Vulnerability summary
CVE-2023-41164 is a high (CVSS 7.5) vulnerability in djangoproject django. EPSS estimates a 1.52% chance of exploitation in the next 30 days, higher than 74.6% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 6Timeline
- 03-11-2023PublishedVulnerability first disclosed.
- 04-11-2025Last modifiedVulnerability information updated.
Description
In Django 3.2 before 3.2.21, 4.1 before 4.1.11, and 4.2 before 4.2.5, django.utils.encoding.uri_to_iri() is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.
CVSS metrics
7 scores · 6 sources · 2 versions- OSV · PypiEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · Red hatEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.52%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.52% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse5 products
- python-Django1&distro=SUSE OpenStack Cloud 9< 1.11.29-3.50.1
- python-Django1&distro=SUSE OpenStack Cloud Crowbar 9< 1.11.29-3.50.1
- python-Django&distro=HPE Helion OpenStack 8< 1.11.29-3.51.1
- python-Django&distro=SUSE OpenStack Cloud 8< 1.11.29-3.51.1
- python-Django&distro=SUSE OpenStack Cloud Crowbar 8< 1.11.29-3.51.1
Redhat4 products
- python-django< 0:3.2.21-1.el9ap
- python3-django< 0:3.2.21-1.el9ap
- python39-django< 0:3.2.21-1.el8ap
- python3x-django< 0:3.2.21-1.el8ap
Alpine1 product
- py3-django< 4.2.5-r0
Debian1 product
- python-django< 1:1.11.29-1+deb10u10 | < 3:3.2.25-0+deb12u1 | < 3:3.2.21-1
Djangoproject1 product
- django≥ 3.2, < 3.2.21 | ≥ 4.1, < 4.1.11 | ≥ 4.2, < 4.2.5
Fedoraproject1 product
- fedoraEOL39
Opensuse1 product
- python-Django&distro=openSUSE Tumbleweed< 4.2.5-1.1
PyPI1 product
- django≥ 3.2, < 3.2.21 | ≥ 4.1, < 4.1.11 | ≥ 4.2, < 4.2.5
Ubuntu1 product
- python-djangoAll versions (No fix recorded) | < 1:1.11.11-1ubuntu1.21+esm2 | < 2:2.2.12-1ubuntu0.19 | < 2:3.2.12-2ubuntu1.8
9 vendors · 16 products
References
38 links- lists.fedoraproject.org/archives/…Vendor Advisory
Show all 38 references
- github.com/django/djangoPACKAGE