CVE-2026-8086

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.

CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.06%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
osgeo	gdal	< 3.12.4
osgeo	gdal	All
osgeo	gdal	All

References

Advisories & Patches

https://github.com/OSGeo/gdal/commit/9491e794f1757f08063ea2f7a274ad2994afa636 https://github.com/OSGeo/gdal/issues/14356 https://github.com/OSGeo/gdal/pull/14361 https://github.com/OSGeo/gdal/issues/14356

Exploits

https://github.com/OSGeo/gdal/issues/14356 https://github.com/biniamf/pocs/tree/main/gdal-swinqdims_bof https://vuldb.com/submit/808038 https://github.com/OSGeo/gdal/issues/14356 https://vuldb.com/submit/808038

Other References

https://github.com/OSGeo/gdal/ https://github.com/OSGeo/gdal/releases/tag/v3.12.4RC1 https://vuldb.com/vuln/361839 https://vuldb.com/vuln/361839/cti

Frequently Asked Questions

What is CVE-2026-8086? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-8086? +

CVE-2026-8086 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-8086? +

CVE-2026-8086 affects products from osgeo, specifically: gdal. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-8086? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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