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Low

OSGeo gdal has a heap-based buffer overflow

  • Disclosed: 09.05.2026
  • Updated: 11.10.2026 15:17

A flaw has been found in OSGeo gdal up to 3.13.0dev-4. Affected by this vulnerability is the function SWSDfldsrch of the file frmts/hdf4/hdf-eos/SWapi.c. Executing a manipulation can lead to heap-based buffer overflow. The attack requires local access. The exploit has been published and may be used. Upgrading to version 3.13.0RC1 addresses this issue. This patch commit sha is 3e04c0385630e4d42517046d9a4967dfccfeb7fd. The affected component should be upgraded.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) gdal < 3.13.0RC1 3.13.0RC1

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, CWE-125
Platform
Python (PyPI)
Package
gdal
Disclosed
09.05.2026
Updated
11.10.2026 15:17

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2026-4 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-r5m4-5vww-w9f5 - 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 has a heap-based buffer overflow this entry
    Low · 5.3 CVE-2026-8212 < 3.13.0RC1 3.13.0RC1
  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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