CVE-2026-15830Potential denial-of-service vulnerability via nested geometry collections
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No exploitation reported and no EPSS estimate yet.
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An issue was discovered in Django 6.0 before 6.0.9 and 5.2 before 5.2.18. GeoDjango's `django.contrib.gis.geos.GEOSGeometry` is subject to a potential denial-of-service when parsing deeply nested `GEOMETRYCOLLECTION` objects supplied as well-known text (WKT), well-known binary (WKB), or hex-encoded WKB, which triggers unbounded recursion and a segmentation fault in the underlying GEOS library. Spatial field lookups and the `django.contrib.gis.forms.GeometryField` form field are also affected. Earlier, unsupported Django series (such as 5.1.x, 5.0.x, and 4.2.x) were not evaluated and may also be affected. Django would like to thank Andrew MacPherson and kimchunbok_ for reporting this issue.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weakness (CWE)
- CWE-674
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- DSF
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
djangoproject Django djangoproject:django (from the name) | from 6.0 before 6.0.9; 6.0.9 not affected; from 5.2 before 5.2.18; 5.2.18 not affected | CNA record |
djangoproject django djangoproject:django | before 5.2.17; from 6.0 before 6.0.8 | NVD |
References
- https://docs.djangoproject.com/en/dev/releases/security/vendor-advisory, patch
- https://groups.google.com/g/django-announcemailing-list
- https://github.com/django/django/commit/d2e59b77fe18de318a8272c2a7bbc798d84d1d0dpatch
- https://github.com/django/django/commit/9e4a3f186b6b07b483bfd9195ea06734663fcd06patch
- https://github.com/django/django/commit/6af5da31775417c610dbf9c3f1b5b8333d42daf6patch
- https://github.com/django/django/commit/ba80833fa656dd09660b97c4429331067db1b080patch
- https://www.djangoproject.com/weblog/2026/aug/04/security-releases/vendor-advisory
- https://github.com/django/django/commit/62ef9d40cf4ea75f16518436b44b8ab2515340dfpatch
- https://github.com/django/django/commit/75d401a1491e04a907ed745c128836d51c982c0fpatch
- https://github.com/django/django/commit/4353dfb56f8ba3a6fccc4bdd7f2ef2fbee3aa638patch
- https://github.com/django/django/commit/1eafa1a80f1363283f89208ba4499ed54e35f085patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.