CVE-2026-8087 OSGeo gdal GDapi.c GDnentries heap-based overflow
A heap-based buffer overflow in GDAL allows local attackers to execute arbitrary code or cause denial of service via manipulated data fields.
- 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-2026-8087?
CVE-2026-8087 is a medium-severity memory corruption vulnerability in OSGeo gdal, published on 7 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security flaw has been discovered in OSGeo gdal up to 3.13.0dev-4. Impacted is the function GDnentries of the file frmts/hdf4/hdf-eos/GDapi.c. Performing a manipulation of the argument DataFieldName results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. Upgrading to version 3.13.0RC1 is recommended to address this issue. The patch is named 184f77dbcc74118c062c05e464c88161d3c37b9b. You should upgrade the affected component.
Which versions are affected by CVE-2026-8087?
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 | 3.13.0 |
gdal PyPI | All versions | 3.13.0 |
GDAL PyPI | All versions | 3.13.0 |
Products include Osgeo Gdal.
How do I fix CVE-2026-8087?
Upgrade gdal to 3.13.0 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-8087 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8087 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-2026-8212 OSGeo gdal SWapi.c SWSDfldsrch heap-based overflow
- CVE-2026-8213 OSGeo gdal Grid File GDapi.c GDSDfldsrch heap-based overflow
Sources
Also known as AZL-86229, BIT-gdal-2026-8087, DEBIAN-CVE-2026-8087, ECHO-2fea-eb73-2884, GHSA-h9rh-5ffh-h669, JLSEC-2026-769 and 2 more.