CVE-2026-4738

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Source
https://cve.org/CVERecord?id=CVE-2026-4738
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4738.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-4738
Aliases
Downstream
Published
2026-03-24T03:18:10Z
Modified
2026-10-21T02:58:16Z
Severity
  • 9.4 (Critical) CVSS_V4 - 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 CVSS Calculator
Summary
GDAL Bundled zlib (inftree9.c) Pointer Offset Optimization Undefined Behavior Allows Heap Corruption or Remote Code Execution
Details

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.

Database specific 
{
    "cna_assigner":  "GovTech CSG",
    "cwe_ids":  [
        "CWE-119"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4738.json"
}
References

Affected packages

Git / github.com/osgeo/gdal

Affected ranges

Type
GIT
Repo
https://github.com/osgeo/gdal
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
447eb5238bb6ef2837e68bf2ec742c64007b680b
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "3.11.0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        },
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "3.11.0"
                }
            ],
            "source":  "DESCRIPTION"
        }
    ]
}

Affected versions

2.*
2.4.4
3.*
3.0.3
v2.*
v2.3.0beta1
v2.4.0
v3.*
v3.1.0RC1
v3.11.0beta1
v3.3.0
v3.3.0RC1
v3.3.0beta1
v3.5.0RC1
v3.6.0RC1
v3.8.0RC1
v3.8.0beta1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4738.json"