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Medium severity · published May 7, 2026
CVE-2026-8084
OSGeo gdal HDF-EOS Grid File SWapi.c memmove out-of-bounds
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
A vulnerability was determined in OSGeo gdal up to 3.13.0dev-4. This vulnerability affects the function memmove of the file frmts/hdf4/hdf-eos/SWapi.c of the component HDF-EOS Grid File Handler. This manipulation causes out-of-bounds read. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. Upgrading to version 3.13.0RC1 is able to resolve this issue. Patch name: a791f70f8eaec540974ec989ca6fb00266b7646c. Upgrading the affected component is advised.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GD
gdal · OSGeo
3.13.0dev-4 · source: vendor, NVD
Affected product
GD
gdal
OSGeo
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8084
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8084
Product
https://github.com/OSGeo/gdal/
Patch
https://github.com/OSGeo/gdal/commit/a791f70f8eaec540974ec989ca6fb00266b7646c
Exploit
https://github.com/OSGeo/gdal/issues/14378
Release Notes
https://github.com/OSGeo/gdal/releases/tag/v3.13.0RC1
Third Party Advisory
https://github.com/biniamf/pocs/blob/main/gdal_swfinfo_dimlist_oob-rw
Exploit
https://github.com/biniamf/pocs/tree/main/gdal_swfinfo_dimlist_oob-rw
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