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Fencer Intel
medium 5.3

CVE-2026-8087 json

OSGeo gdal GDapi.c GDnentries heap-based overflow

published 6mo ago modified 16d ago also BIT-gdal-2026-8087 , EUVD-2026-28435 , GHSA-h9rh-5ffh-h669 , JLSEC-2026-769 , PYSEC-2026-2155

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi gdal 3.13.0
  • bitnami gdal 3.13.0
  • julia GDAL_jll 305.1300.0+0
  • OSGeo gdal 3.13.0RC1
  • gdal Debian 14 3.13.0+dfsg-1

debian advisories DEBIAN-CVE-2026-8087

  • gdal Ubuntu Pro 14.04 LTS 1.10.1+dfsg-5ubuntu1+esm3
  • gdal Ubuntu Pro 16.04 LTS 1.11.3+dfsg-3ubuntu0.1~esm2
  • gdal Ubuntu Pro 18.04 LTS 2.2.3+dfsg-2ubuntu0.1~esm1
  • gdal Ubuntu Pro 20.04 LTS 3.0.4+dfsg-1ubuntu0.1~esm1
  • gdal Ubuntu Pro 22.04 LTS 3.4.1+dfsg-1ubuntu0.1~esm1
  • gdal Ubuntu Pro 24.04 LTS 3.8.4+dfsg-3ubuntu3+esm1
  • gdal Ubuntu Pro 26.04 LTS 3.12.2+dfsg-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2026-8087

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2026-8087 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
6mo ago

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • github.com https://github.com/OSGeo/gdal/issues/14363 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/biniamf/pocs/tree/main/gdal-gdinqfields_bof referenced PoC, tagged "exploit" by a source, unverified
  • vuldb.com https://vuldb.com/submit/808039 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA 3.1 5.3 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
CNA 3.0 5.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CNA 2.0 4.3 AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C
GitHub 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 4.0 1.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 2.0 4.3 AV:L/AC:L/Au:S/C:P/I:P/A:P
OSV 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi gdal
<3.13.0
3.13.0
bitnami gdal
<3.13.0
3.13.0
julia GDAL_jll
<305.1300.0+0
305.1300.0+0

Affected products

  • OSGeo gdal

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.