OSGeo gdal GDapi.c GDnentries heap-based overflow
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
A security flaw has been discovered in OSGeo gdal up to 3.13.0dev-4. Impacted is the function GDnentries of the file frmts/hdf4/hdf-eos/GDapi.c. Performing a manipulation of the argument DataFieldName results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. Upgrading to version 3.13.0RC1 is recommended to address this issue. The patch is named 184f77dbcc74118c062c05e464c88161d3c37b9b. You should upgrade the affected component.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OSGeo | gdal | 3.13.0dev-4 | 3.13.0RC1 | Patch available | CNA |
| — | GDAL (PyPI) | before 3.13.0 | 3.13.0 | Patch available | GHSA-h9rh-5ffh-h669 |
- gdal VendorOSGeo Affected 3.13.0dev-4 Fixed in 3.13.0RC1 Patch available CNA
- GDAL (PyPI) Vendor— Affected before 3.13.0 Fixed in 3.13.0 Patch available GHSA-h9rh-5ffh-h669
Remediation
- Fix · CNA gdal (OSGeo) Fixed in 3.13.0RC1
- Fix · GHSA-h9rh-5ffh-h669 GDAL (PyPI) Fixed in 3.13.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-8087
- 2026-10-03 Alias added: GHSA-h9rh-5ffh-h669
References
Exploit 2
Patch 2
More OSGeo Gdal vulnerabilities
- TI-2026-36264 Stack-based buffer overflow in GDAL CVSS 3.1HIGH 7.8
- TI-2025-21099 Buffer Overflow vulnerability in gdal 3.10.2 allows a local attacker to cause a denial of… CVSS 3.1MEDIUM 5.5
- TI-2026-07234 OSGeo gdal Grid File GDapi.c GDSDfldsrch heap-based overflow CVSS 4.0MEDIUM 4.8
- TI-2026-07233 OSGeo gdal SWapi.c SWSDfldsrch heap-based overflow CVSS 4.0MEDIUM 4.8
- TI-2026-07126 OSGeo gdal GDapi.c GDfieldinfo out-of-bounds CVSS 4.0MEDIUM 4.8
- TI-2026-07124 OSGeo gdal SWapi.c SWnentries heap-based overflow CVSS 4.0MEDIUM 4.8
Sources
- CVE-2026-8087 · CVE Program
- CVE-2026-8087 · NVD
- FIRST EPSS
- GHSA-h9rh-5ffh-h669 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences