CVE-2026-53877 Heap buffer over-read in GDALRaster
Heap buffer over-read in Django's GDALRaster allows attackers to disclose adjacent memory or cause denial of service via segmentation faults.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-53877?
CVE-2026-53877 is a medium-severity vulnerability in Djangoproject Django, published on 7 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. `django.contrib.gis.gdal.GDALRaster` over-reads its in-memory buffer when constructed from a bytes object, which can disclose adjacent memory or cause service degradation via a potential segmentation fault when the `vsi_buffer` property is accessed. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Bence Nagy for reporting this issue.
Weakness: CWE-805
Which versions are affected by CVE-2026-53877?
6 open source packages ship an affected version, including django. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
django Bitnami | From 5.2.0 | 5.2.16, 6.0.7 |
django PyPI | All versions | 5.2.16 |
django PyPI | All versions | 5.2.16 |
django PyPI | From 5.2 | 5.2.16, 6.0.7 |
django PyPI | From 6.0.0 | 6.0.7 |
django PyPI | From 6.0.0 | 6.0.7 |
Products include Djangoproject Django.
How do I fix CVE-2026-53877?
Upgrade django to a fixed version for your release line: 5.2.16 or 6.0.7.
Is CVE-2026-53877 being exploited?
There is no known exploitation of CVE-2026-53877 in the wild and no public exploit code.
Other vulnerabilities in Djangoproject Django
- CVE-2026-4277 Privilege abuse in GenericInlineModelAdmin
- CVE-2024-53908 Django SQL injection in HasKey(lhs, rhs) on Oracle
- CVE-2024-42005 Django SQL injection vulnerability
- CVE-2023-31047 Django bypasses validation when using one form field to upload multiple files
- CVE-2022-34265 Django `Trunc()` and `Extract()` database functions vulnerable to SQL Injection
Sources
Also known as BIT-django-2026-53877, DEBIAN-CVE-2026-53877, ECHO-540d-90d3-8a54, GHSA-crhf-3pfg-w68w, MINI-8j3x-3rvj-fqj7, MINI-f685-hq49-gf2m and 2 more.