CVE-2026-8087

OSGeo gdal GDapi.c GDnentries heap-based overflow

State: Published
Severity: 4.8 Medium
Published: May 7, 2026
Updated: May 8, 2026
Reserved: May 7, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	5.3 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	5.3 Medium	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	4.3 Medium	AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-122 Heap-based Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
gdalOSGeo	3.13.0dev-4Affected 3.13.0RC1Not affected

References

VDB-361840 | OSGeo gdal GDapi.c GDnentries heap-based overflowvdb-entrytechnical-description
VDB-361840 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #808039 | OSGeo GDAL 3.13.0dev Heap-based Buffer Overflowthird-party-advisory
https://github.com/OSGeo/gdal/issues/14363issue-tracking
https://github.com/biniamf/pocs/tree/main/gdal-gdinqfields_bofexploit
https://github.com/OSGeo/gdal/commit/184f77dbcc74118c062c05e464c88161d3c37b9bpatch
https://github.com/OSGeo/gdal/releases/tag/v3.13.0RC1patch
https://github.com/OSGeo/gdal/product

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