Vulnerability Report

CVE-2026-8086

Title: OSGeo GDAL HDF4 SWnentries heap-based buffer overflow.

Heap-based Buffer Overflow

Proof Of Concept

No public PoC currently indexed for CVE-2026-8086.

CWE Category CWE-119
Published Date May 07, 2026
Modified Date May 08, 2026
Exploit Status Not Found
Score 1.9 CVSS v4.0
Exploit Probability (EPSS)
0.02%

Vulnerability Summary

CVE-2026-8086: 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.

Impacted Vendors

G
gdal 1
O
osgeo 1

Reference Links

https://github.com/OSGeo/gdal/ https://github.com/OSGeo/gdal/commit/9491e794f1757f08063ea2f7a274ad2994afa636 https://github.com/OSGeo/gdal/issues/14356 https://github.com/OSGeo/gdal/pull/14361 https://github.com/OSGeo/gdal/releases/tag/v3.12.4RC1 https://github.com/biniamf/pocs/tree/main/gdal-swinqdims_bof https://vuldb.com/submit/808038 https://vuldb.com/vuln/361839 https://vuldb.com/vuln/361839/cti https://github.com/OSGeo/gdal/issues/14356 https://vuldb.com/submit/808038
CVSS v4.0
Source Entity [email protected]
Severity LOW
1.9
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
N/A
RAW VECTOR 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.3
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:L/Au:S/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-8086 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected Stack

No specific products linked.