CVE-2026-4738

EUVD-2026-14706
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GovTech CSGCNA
9.4 CRITICAL
NETWORK
LOW
NONE
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/S:P/AU:Y/R:U/V:C/RE:L/U:Amber
Base Score
CVSS 3.x
EPSS Score
Percentile: 19.78%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
osgeogdal
𝑥
< 3.11.0
CNA
Debian logo
Debian Releases
Debian Product
Codename
gdal
bookworm
no-dsa
bullseye
vulnerable
bullseye (security)
vulnerable
forky
3.13.2+dfsg-1
fixed
sid
3.13.2+dfsg-1
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gdal
bionic
needed
focal
needed
jammy
needed
noble
needed
questing
ignored
resolute
not-affected
trusty
needed
xenial
ignored
Common Weakness Enumeration
References
https://github.com/OSGeo/gdal/pull/12244