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Fencer Vulns
medium 5.3

CVE-2026-8086 json

OSGeo gdal SWapi.c SWnentries heap-based overflow

published 2026-05-07 6 mo ago modified 2026-10-25 14 d ago also BIT-gdal-2026-8086 , EUVD-2026-28418 , GHSA-72pg-5w29-wjx6 , JLSEC-2026-768 , PYSEC-2026-2154

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 14%
public exploits
0
none known

Summary

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 to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version 3.12.4RC1 is capable of addressing this issue. The name of the patch is 9491e794f1757f08063ea2f7a274ad2994afa636. It is advisable to upgrade the affected component.

Patch / fix

  • bitnami gdal 3.13.0
  • julia GDAL_jll 305.1300.0+0
  • pypi gdal 3.13.0
  • OSGeo gdal 3.12.4RC1
  • gdal Debian 14 3.13.0+dfsg-1

debian advisories DEBIAN-CVE-2026-8086

  • 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-2026-8086

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

CISA SSVC

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

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/OSGeo/gdal/issues/14356 referenced PoC, tagged "exploit" by a source, unverified
  • vuldb.com https://vuldb.com/submit/808038 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/biniamf/pocs/tree/main/gdal-swinqdims_bof 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
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
bitnami gdal
<3.13.0
3.13.0
julia GDAL_jll
<305.1300.0+0
305.1300.0+0
pypi gdal
<3.13.0
3.13.0

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 Vulns 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.