CVE-2026-8084 OSGeo gdal HDF-EOS Grid File SWapi.c memmove out-of-bounds
A local attacker can trigger an out-of-bounds read in GDAL's HDF-EOS handler via a crafted file, potentially causing crashes or data exposure.
- 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-2026-8084?
CVE-2026-8084 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 vulnerability was determined in OSGeo gdal up to 3.13.0dev-4. This vulnerability affects the function memmove of the file frmts/hdf4/hdf-eos/SWapi.c of the component HDF-EOS Grid File Handler. This manipulation causes out-of-bounds read. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. Upgrading to version 3.13.0RC1 is able to resolve this issue. Patch name: a791f70f8eaec540974ec989ca6fb00266b7646c. Upgrading the affected component is advised.
Which versions are affected by CVE-2026-8084?
2 open source packages ship an affected version, including gdal. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gdal Bitnami | All versions | 3.13.0 |
gdal PyPI | All versions | 3.13.0 |
Products include Osgeo Gdal.
How do I fix CVE-2026-8084?
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-2026-8084 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8084 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-86223, BIT-gdal-2026-8084, DEBIAN-CVE-2026-8084, ECHO-33ea-8335-42c0, GHSA-jmvp-7877-wr2f, JLSEC-2026-767 and 2 more.