Vulnerability · Published May 7, 2026 · Assigned by VulDB

CVE-2026-8087OSGeo gdal GDapi.c GDnentries heap-based overflow

Medium 5.3

In plain English

A medium-severity heap buffer overflow in gdal from OSGeo. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 87.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12gdalno fix listedDEBIAN-CVE-2026-8087
Debian:13gdalno fix listedDEBIAN-CVE-2026-8087
Debian:14gdal3.13.0+dfsg-1DEBIAN-CVE-2026-8087
PyPIgdal3.13.0GHSA-h9rh-5ffh-h669
PyPIgdal3.13.0PYSEC-2026-2155
Ubuntu:25.10gdalno fix listedUBUNTU-CVE-2026-8087

Affected products (as reported)

VendorProductVersions
OSGeo gdal 3.13.0dev-4

Weakness: CWE-122, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References