CVE-2026-8086

OSGeo gdal SWapi.c SWnentries heap-based overflow

HIGH
7.8
CVSS Score
Published: May 7, 2026 at 06:45 PM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorGdal

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 3.12.4RC1 (unaffected)

References (9)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/361839
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/361839/cti
Third Party AdvisoryExploitVDB Entry
Source: cverecord
https://vuldb.com/submit/808038
Issue TrackingExploitPatchVendor Advisory
Source: cverecord
https://github.com/OSGeo/gdal/issues/14356
Issue TrackingPatch
Source: cverecord
https://github.com/OSGeo/gdal/pull/14361
ExploitThird Party Advisory
Source: cverecord
https://github.com/biniamf/pocs/tree/main/gdal-swinqdims_bof

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-122CWE-119

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