CVE-2026-4738
CRITICALGDAL Bundled zlib (inftree9.c) Pointer Offset Optimization Undefined Behavior Allows Heap Corruption or Remote Code Execution
Title source: cnaDescription
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.
References (1)
Core 1
Core References
Patch patch
https://github.com/OSGeo/gdal/pull/12244
Scores
CVSS v4
9.4
EPSS
0.0028
EPSS Percentile
19.9%
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/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:P/AU:Y/R:U/V:C/RE:L/U:Amber
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-119
Status
published
Products (1)
OSGeo/gdal
< 3.11.0
Published
Mar 24, 2026
Tracked Since
Mar 24, 2026