Out-of-Bounds Read Vulnerability in OSGeo GDAL HDF-EOS Grid File Handler
CVE-2026-8084

4.8MEDIUM

Key Information:

Vendor

Osgeo

Status
Gdal
Vendor
CVE Published:
7 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8084?

A vulnerability has been identified in OSGeo GDAL affecting the HDF-EOS Grid File Handler. Specifically, the memmove function in the file frmts/hdf4/hdf-eos/SWapi.c can lead to out-of-bounds reads. This vulnerability necessitates local execution for exploitation and has been publicly disclosed. Users are advised to upgrade to version 3.13.0RC1 to remediate this issue. A patch, identified by commit a791f70f8eaec540974ec989ca6fb00266b7646c, is available to address this security concern.

Affected Version(s)

gdal 3.13.0dev-4

gdal 3.13.0RC1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-8084 - Proof of Concept

CVE-2026-8084 - Proof of Concept

References

https://vuldb.com/vuln/361838
vdb-entrytechnical-description
https://vuldb.com/vuln/361838/cti
signaturepermissions-required
https://vuldb.com/submit/808034
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

biniam (VulDB User)
.