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Vulnerability record · CVE-2019-25050 · published 20 July 2021

CVE-2019-25050: Osgeo gdal out-of-bounds write vulnerability

Osgeo · Gdal

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 netCDFDataset::~netCDFDataset).

7.8 CVSS 3.1 High EPSS 0.35% · top 73.9% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 4.6
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

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 netCDFDataset::~netCDFDataset).

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15143 PatchThird Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15156 PatchThird Party Advisory
https://github.com/OSGeo/gdal/commit/27b9bf644bcf1208f7d6594bdd104cc8a8bb0646 PatchThird Party Advisory
https://github.com/OSGeo/gdal/commit/767e3a56144f676ca738ef8f700e0e56035bd05a PatchThird Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/gdal/OSV-2020-392.yaml Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/gdal/OSV-2020-420.yaml Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15143 PatchThird Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15156 PatchThird Party Advisory
https://github.com/OSGeo/gdal/commit/27b9bf644bcf1208f7d6594bdd104cc8a8bb0646 PatchThird Party Advisory
https://github.com/OSGeo/gdal/commit/767e3a56144f676ca738ef8f700e0e56035bd05a PatchThird Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/gdal/OSV-2020-392.yaml Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/gdal/OSV-2020-420.yaml Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-17545Osgeo gdal double free vulnerabilityGDAL through 3.0.1 has a poolDestroy double free in OGRExpatRealloc in ogr/ogr_expat.cpp when the 10MB threshold is exceeded.EPSS 2.6%8.8CVE-2019-17546Libtiff integer overflow vulnerabilitytif_getimage.c in LibTIFF through 4.0.10, as used in GDAL through 3.0.1 and other products, has an integer overflow that potentially causes a heap-ba…EPSS 3.4%7.8CVE-2026-49014Osgeo gdal stack-based buffer overflow vulnerabilityIn 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 geom…EPSS 0.15%5.5CVE-2025-29480Osgeo gdal classic buffer overflow vulnerabilityBuffer Overflow vulnerability in gdal 3.10.2 allows a local attacker to cause a denial of service via the OGRSpatialReference::Release function. NOTE…EPSS 0.23%5.5CVE-2021-45943Osgeo gdal out-of-bounds write vulnerabilityGDAL 3.3.0 through 3.4.0 has a heap-based buffer overflow in PCIDSK::CPCIDSKFile::ReadFromFile (called from PCIDSK::CPCIDSKSegment::ReadFromFile and …EPSS 1.5%1.9CVE-2026-8212Osgeo gdal memory buffer overflow vulnerabilityA 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/SWap…EPSS 0.23%1.9CVE-2026-8213Osgeo gdal memory buffer overflow vulnerabilityA vulnerability has been found in OSGeo gdal up to 3.13.0dev-4. Affected by this issue is the function GDSDfldsrch of the file frmts/hdf4/hdf-eos/GDa…EPSS 0.23%1.9CVE-2026-8087Osgeo gdal memory buffer overflow vulnerabilityA 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. Perf…EPSS 0.26%

Source: NIST National Vulnerability Database (record CVE-2019-25050), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.