CVE-2026-4738

Critical

Description

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in OSGeo gdal (frmts/zlib/contrib/infback9 modules). This vulnerability is associated with program files inftree9.C‎. This issue affects gdal: before 3.11.0.

SeverityCritical

CVSS9.4

Exploit probability—

ProductOsgeo Gdal

PublishedMar 24, 2026

First seenMar 24, 2026

Weakness typeCWE-119Memory buffer bounds error

How to fix

Update

OSGeo gdal3.11.0 or later

Patches

github.com/OSGeo/gdal/pull/12244

Affected products

Product	Affected versions	Fixed in
OSGeo gdal	v < 3.11.0	3.11.0

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