Heap-based Buffer Overflow in OSGeo gdal Grid File Handler
CVE-2026-8213

4.8MEDIUM

Key Information:

Vendor

Osgeo

Status
Gdal
Vendor
CVE Published:
9 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8213?

A vulnerability exists in the Grid File Handler of OSGeo gdal, specifically within the GDSDfldsrch function in the GDapi.c file. This flaw can lead to a heap-based buffer overflow, which could allow attackers to exploit the vulnerability locally. The issue has been publicly disclosed and it is highly recommended to upgrade to version 3.13.0RC1, which includes a patch to resolve the potential exploit.

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-2026-8213 - Proof of Concept

References

https://vuldb.com/vuln/362430
vdb-entrytechnical-description
https://vuldb.com/vuln/362430/cti
signaturepermissions-required
https://vuldb.com/submit/808128
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
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)
.