Buffer overflow in Osgeo Gdal

CVE-2026-8087

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.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (13.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

  • Osgeo Gdal — versions 3.13.0dev-4, 3.13.0RC1, 3.13.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-8087?
CVE-2026-8087 is a medium-severity vulnerability in Osgeo Gdal, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-05-07.
How severe is CVE-2026-8087?
Medium severity. CVSS v3 base score is 5.3 out of 10.