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.

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

Published 2026-05-07 · last modified 2026-10-26.

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.

EPSS exploit prediction

EPSS: 0.002 (12.9th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.002 · change: -0.000

Affected products

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

Weakness classification (CWE)

References

vuldb.com/vuln/361840 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/vuln/361840/cti (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/submit/808039 (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
github.com/OSGeo/gdal/issues/14363 (issue-tracking, Exploit, Patch, Issue Tracking, Vendor Advisory)
github.com/biniamf/pocs/tree/main/gdal-gdinqfields_bof (Exploit, Third Party Advisory, exploit)
github.com/OSGeo/gdal/commit/184f77dbcc74118c062c05e464c88161d3c37b9b (Patch, patch)
github.com/OSGeo/gdal/releases/tag/v3.13.0RC1 (Release Notes, patch)
github.com/OSGeo/gdal/ (Product, product)

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.