Heap-Based Buffer Overflow in OSGeo GDAL Software
CVE-2026-8212

4.8MEDIUM

Key Information:

Vendor

Osgeo

Status
Gdal
Vendor
CVE Published:
9 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8212?

A vulnerability has been identified in OSGeo GDAL software versions up to 3.13.0dev-4, specifically within the SWSDfldsrch function in the SWapi.c file. A successful exploit could result in a heap-based buffer overflow, which may allow an attacker with local access to execute arbitrary code or manipulate the software's behavior. This serious flaw necessitates immediate attention; users are encouraged to upgrade to version 3.13.0RC1, which includes the necessary patch (commit ID 3e04c0385630e4d42517046d9a4967dfccfeb7fd) to mitigate this issue.

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-2026-8212 - Proof of Concept

References

https://vuldb.com/vuln/362429
vdb-entrytechnical-description
https://vuldb.com/vuln/362429/cti
signaturepermissions-required
https://vuldb.com/submit/808127
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)
.