CVE-2026-8086OSGeo gdal SWapi.c SWnentries heap-based overflow

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• VDB-361839 | OSGeo gdal SWapi.c SWnentries heap-based overflow vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
• VDB-361839 | CTI Indicators (IOB, IOC, IOA) signaturepermissions-requiredPermissions RequiredVDB Entry
• Submit #808038 | OSGeo GDAL 3.13.0dev Heap-based Buffer Overflow third-party-advisoryExploitThird Party AdvisoryVDB Entry
• https://github.com/OSGeo/gdal/issues/14356 issue-trackingExploitIssue TrackingPatch
• https://github.com/OSGeo/gdal/pull/14361 issue-trackingpatchIssue TrackingPatch
• https://github.com/biniamf/pocs/tree/main/gdal-swinqdims_bof exploitExploitThird Party Advisory
• https://github.com/OSGeo/gdal/commit/9491e794f1757f08063ea2f7a274ad2994afa636 patchPatch
• https://github.com/OSGeo/gdal/releases/tag/v3.12.4RC1 patchRelease Notes
• https://github.com/OSGeo/gdal/ productProduct