CVE-2026-8086: OSGeo gdal SWapi.c SWnentries heap-based overflow
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
OSGeo gdalto a version that resolves this vulnerability.Fixed in 3.12.4RC1Patch 9491e794f1757f08063ea2f7a274ad2994afa636 - Compensating control
Because the attack is carried out locally, restrict local access to the affected GDAL component (e.g., limit who can execute processes that invoke the vulnerable SWnentries in frmts/hdf4/hdf-eos/SWapi.c) to reduce exposure to publicly available exploits.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-8086?
CVE-2026-8086 is considered a medium severity vulnerability due to its potential to allow heap-based buffer overflow, which can lead to arbitrary code execution.
How do I fix CVE-2026-8086?
To fix CVE-2026-8086, update OSGeo GDAL to a version newer than 3.13.0dev-4 where this vulnerability has been addressed.
What type of vulnerability is CVE-2026-8086?
CVE-2026-8086 is a heap-based buffer overflow vulnerability affecting the SWnentries function in OSGeo GDAL.
Which software versions are affected by CVE-2026-8086?
CVE-2026-8086 affects OSGeo GDAL versions up to 3.13.0dev-4.
What impact can CVE-2026-8086 have on my system?
Exploitation of CVE-2026-8086 may allow attackers to execute arbitrary code on the affected system, potentially leading to unauthorized access or system compromise.