CVE-2023-46695PYSEC-2023-222BIT-DJANGO-2023-46695GHSA-QMF9-6JQF-J8FQ
An issue was discovered in Django 3.2 before 3.2.23, 4.1 before 4.1.13, and 4.2 before 4.2.7.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 3.2.23, 4.1.13, 4.2.7
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
An issue was discovered in Django 3.2 before 3.2.23, 4.1 before 4.1.13, and 4.2 before 4.2.7. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.forms.UsernameField is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.
Timeline
- CVE published
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- n/a n/a
Version range not reported
- djangoPyPI
From 3.2 · fixed in 3.2.23; From 4.1 · fixed in 4.1.13; From 4.2 · fixed in 4.2.7
- djangoPyPI
From 3.2a1 · fixed in 3.2.23
- djangoPyPI
From 4.1a1 · fixed in 4.1.13
- djangoPyPI
From 4.2a1 · fixed in 4.2.7