CVE-2026-8086
OSGeo gdal SWapi.c SWnentries heap-based overflow
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.
INFO
Published Date :
May 7, 2026, 7:16 p.m.
Last Modified :
May 8, 2026, 7:04 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Upgrade OSGeo gdal to version 3.12.4RC1.
- Apply the patch 9491e794f1757f08063ea2f7a274ad2994afa636.
- Ensure affected component is upgraded.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-8086.
| URL | Resource |
|---|---|
| https://github.com/OSGeo/gdal/ | Product |
| https://github.com/OSGeo/gdal/commit/9491e794f1757f08063ea2f7a274ad2994afa636 | Patch |
| https://github.com/OSGeo/gdal/issues/14356 | Exploit Issue Tracking Patch Vendor Advisory |
| https://github.com/OSGeo/gdal/pull/14361 | Issue Tracking Patch |
| https://github.com/OSGeo/gdal/releases/tag/v3.12.4RC1 | Release Notes |
| https://github.com/biniamf/pocs/tree/main/gdal-swinqdims_bof | Exploit Third Party Advisory |
| https://vuldb.com/submit/808038 | Exploit Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/361839 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/361839/cti | Permissions Required VDB Entry |
| https://github.com/OSGeo/gdal/issues/14356 | Exploit Issue Tracking Patch Vendor Advisory |
| https://vuldb.com/submit/808038 | Exploit Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-8086 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-8086
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-8086 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-8086 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 08, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:osgeo:gdal:*:*:*:*:*:*:*:* versions up to (including) 3.12.4 *cpe:2.3:a:osgeo:gdal:3.13.0:beta1:*:*:*:*:*:* *cpe:2.3:a:osgeo:gdal:3.13.0:beta2:*:*:*:*:*:* Added Reference Type VulDB: https://github.com/biniamf/pocs/tree/main/gdal-swinqdims_bof Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://github.com/OSGeo/gdal/ Types: Product Added Reference Type VulDB: https://github.com/OSGeo/gdal/commit/9491e794f1757f08063ea2f7a274ad2994afa636 Types: Patch Added Reference Type CISA-ADP: https://github.com/OSGeo/gdal/issues/14356 Types: Exploit, Issue Tracking, Patch, Vendor Advisory Added Reference Type VulDB: https://github.com/OSGeo/gdal/issues/14356 Types: Exploit, Issue Tracking, Patch, Vendor Advisory Added Reference Type VulDB: https://github.com/OSGeo/gdal/pull/14361 Types: Issue Tracking, Patch Added Reference Type VulDB: https://github.com/OSGeo/gdal/releases/tag/v3.12.4RC1 Types: Release Notes Added Reference Type CISA-ADP: https://vuldb.com/submit/808038 Types: Exploit, Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/submit/808038 Types: Exploit, Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/361839 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/361839/cti Types: Permissions Required, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 07, 2026
Action Type Old Value New Value Added Reference https://github.com/OSGeo/gdal/issues/14356 Added Reference https://vuldb.com/submit/808038 -
New CVE Received by [email protected]
May. 07, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-119 Added CWE CWE-122 Added Reference https://github.com/biniamf/pocs/tree/main/gdal-swinqdims_bof Added Reference https://github.com/OSGeo/gdal/ Added Reference https://github.com/OSGeo/gdal/commit/9491e794f1757f08063ea2f7a274ad2994afa636 Added Reference https://github.com/OSGeo/gdal/issues/14356 Added Reference https://github.com/OSGeo/gdal/pull/14361 Added Reference https://github.com/OSGeo/gdal/releases/tag/v3.12.4RC1 Added Reference https://vuldb.com/submit/808038 Added Reference https://vuldb.com/vuln/361839 Added Reference https://vuldb.com/vuln/361839/cti