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Low

OSGeo GDAL vulnerable to heap-based buffer overflow

  • Disclosed: 07.05.2026
  • Updated: 11.10.2026 15:17

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.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) gdal < 3.13.0 3.13.0

References

CVSS score 5.3/10
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE)
CWE-119
Platform
Python (PyPI)
Package
gdal
Disclosed
07.05.2026
Updated
11.10.2026 15:17

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2026-2155 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-h9rh-5ffh-h669 - CC BY 4.0

Vulnerability history: gdal

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (11) in the archive
Total entries
11
First → latest
10.2019 05.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 3
  • Medium 4
  • Low 3

Disclosures per year

Severity:
  1. In GDAL 3.1.0 through 3.13.0, scanForGeometryContainers in the netCDF driver allows code execution via a stack-based buffer overflow. It reads a geometry attribute into a fixed-size stack buffer witho
    High · 7.8 CVE-2026-49014 >= 3.1.0, < 3.13.1 3.13.1
  2. OSGeo GDAL vulnerable to heap-based buffer overflow this entry
    Low · 5.3 CVE-2026-8087 < 3.13.0 3.13.0
  3. 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
    High · 7.8 CVE-2026-8086 < 3.13.0 3.13.0
  4. netCDF in GDAL 2.4.2 through 3.0.4 has a stack-based buffer overflow in nc4_get_att (called from nc4_get_att_tc and nc_get_att_text) and in uffd_cleanup (called from netCDFDataset::~netCDFDataset and
    High · 7.8 CVE-2019-25050 >= 2.4.2, < 3.1.0 3.1.0
  5. GDAL through 3.0.1 has a poolDestroy double free in OGRExpatRealloc in ogr/ogr_expat.cpp when the 10MB threshold is exceeded.
    Critical · 9.8 CVE-2019-17545 < 3.0.2 3.0.2

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