CVE-2026-8086 — MEDIUM (5.3)

Q: How severe is CVE-2026-8086?

CVE-2026-8086 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-8086?

Check the references section above for vendor advisories and patch information. Affected products include: Osgeo Gdal.

Vulnerability Description

A vulnerability was identified in OSGeo gdal up to 3.13.0dev-4. This issue affects the function SWnentries of the file frmts/hdf4/hdf-eos/SWapi.c. Such manipulation of the argument DimensionName leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version 3.12.4RC1 is capable of addressing this issue. The name of the patch is 9491e794f1757f08063ea2f7a274ad2994afa636. It is advisable to upgrade the affected component.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Osgeo	Gdal	<= 3.12.4

Related Weaknesses (CWE)

CWE-119 CWE-122

References

https://github.com/OSGeo/gdal/Product
https://github.com/OSGeo/gdal/commit/9491e794f1757f08063ea2f7a274ad2994afa636Patch
https://github.com/OSGeo/gdal/issues/14356ExploitIssue TrackingPatch
https://github.com/OSGeo/gdal/pull/14361Issue TrackingPatch
https://github.com/OSGeo/gdal/releases/tag/v3.12.4RC1Release Notes
https://github.com/biniamf/pocs/tree/main/gdal-swinqdims_bofExploitThird Party Advisory
https://vuldb.com/submit/808038ExploitThird Party AdvisoryVDB Entry
https://vuldb.com/vuln/361839Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/361839/ctiPermissions RequiredVDB Entry
https://github.com/OSGeo/gdal/issues/14356ExploitIssue TrackingPatch
https://vuldb.com/submit/808038ExploitThird Party AdvisoryVDB Entry

FAQ

What is CVE-2026-8086?

CVE-2026-8086 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A vulnerability was identified in OSGeo gdal up to 3.13.0dev-4. This issue affects the function SWnentries of the file frmts/hdf4/hdf-eos/SWapi.c. Such manipulation of the argument DimensionName leads...

How severe is CVE-2026-8086?

CVE-2026-8086 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-8086?

Check the references section above for vendor advisories and patch information. Affected products include: Osgeo Gdal.