CVE-2023-41164: django
Affects djangoSource CVE Database V5
Not known to be exploited · fixed in 4.2.5 : update django when convenient.
Data as of 26 Oct 2026, 12:29 UTC
Rated Medium by the CNA (mitre) · No CVSS score from NVD or the CNA
- EPSS
- 1.5% chance of exploitation in 30 days – higher than 74% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 4.2.5, 4.1.11, 3.2.21
Exploitation evidence
Disclosed: evidence found.
CVE published 3 Nov 2023
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade django to 4.2.5, 4.1.11 or 3.2.21.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
PyPIdjangopkg:pypi/djangoOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Fixed versions are available: 3.2.21, 4.1.11, and 4.2.5. Users should upgrade to these or later versions to remediate the vulnerability. No additional mitigations are specified or required beyond applying the official patches.
Description
A denial of service (DoS) vulnerability exists in Django versions prior to 3.2.21, 4.1.11, and 4.2.5. The issue is in the django.utils.encoding.uri_to_iri() function, which can be triggered by inputs containing a very large number of Unicode characters. This may cause the application to become unresponsive or crash.
References
- groups.google.com/forum/ (opens in a new tab)
- docs.djangoproject.com/en/4.2/releases/security/ (opens in a new tab)
- djangoproject.com/weblog/2023/sep/04/security-releases/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU/ (opens in a new tab)
- security.netapp.com/advisory/ntap-20231214-0002/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/ (opens in a new tab)