CVE-2026-8086: A vulnerability was identified in OSGeo gdal up to 3.13.0dev-4

Q: How do I fix CVE-2026-8086?

gdal: upgrade to newer than 3.12.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-8086 being exploited?

CVE-2026-8086 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-8086 affect?

CVE-2026-8086 affects gdal. Severity is medium (CVSS 5.3). 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 atta

Q: How urgent is CVE-2026-8086?

Priority 27/100. Public exploit reference

Routine

MEDIUM 5.3UPGRADE

CVE-2026-8086 is a medium-severity flaw (CVSS 5.3) affecting gdal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 9491e794f1757f08063ea2f7a274ad29

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-119, CWE-122
Published	2026-05-07
Last modified	2026-10-25

Publisher (CNA): VulDB · Vendor: osgeo

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-07 19:16 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

osgeo gdal UPGRADE

Affected: <= 3.12.4 · 3.13.0 beta1 · 3.13.0 beta2

Fixed in: newer than 3.12.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gdal || rpm -q gdal || gdal --version

2. UPGRADE to newer than 3.12.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gdal

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gdal

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-8086?

gdal: upgrade to newer than 3.12.4. Exact commands for each OS are on this page.

Is CVE-2026-8086 being exploited?

CVE-2026-8086 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-8086 affect?

CVE-2026-8086 affects gdal. Severity is medium (CVSS 5.3). 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 atta

How urgent is CVE-2026-8086?

Priority 27/100. Public exploit reference

References

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