CVE-2026-8212 OSGeo gdal SWapi.c SWSDfldsrch heap-based overflow
A heap-based buffer overflow in GDAL's SWSDfldsrch function allows local attackers to execute arbitrary code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-8212?
CVE-2026-8212 is a medium-severity memory corruption vulnerability in OSGeo gdal, published on 9 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw has been found in OSGeo gdal up to 3.13.0dev-4. Affected by this vulnerability is the function SWSDfldsrch of the file frmts/hdf4/hdf-eos/SWapi.c. Executing a manipulation can lead to heap-based buffer overflow. The attack requires local access. The exploit has been published and may be used. Upgrading to version 3.13.0RC1 addresses this issue. This patch is called 3e04c0385630e4d42517046d9a4967dfccfeb7fd. The affected component should be upgraded.
Which versions are affected by CVE-2026-8212?
4 open source packages ship an affected version, including gdal and GDAL. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gdal Bitnami | All versions | 3.13.0 |
gdal PyPI | All versions | None |
gdal PyPI | All versions | 3.13.0RC1 |
GDAL PyPI | All versions | 3.13.0RC1 |
Products include Osgeo Gdal.
How do I fix CVE-2026-8212?
Upgrade gdal to a fixed version for your release line: 3.13.0 or 3.13.0RC1.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-8212 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8212 exists.
Other vulnerabilities in OSGeo gdal
- CVE-2019-25050 Memory corruption in n/a
- CVE-2026-49014 GDAL: scanForGeometryContainers in the netCDF driver allows code execution via a stack-based buffer overflow
- CVE-2025-29480 Memory corruption in n/a
- CVE-2026-8213 OSGeo gdal Grid File GDapi.c GDSDfldsrch heap-based overflow
- CVE-2026-8084 OSGeo gdal HDF-EOS Grid File SWapi.c memmove out-of-bounds
Sources
Also known as AZL-86402, BIT-gdal-2026-8212, DEBIAN-CVE-2026-8212, ECHO-5600-e26e-faa5, GHSA-r5m4-5vww-w9f5, JLSEC-2026-771 and 2 more.