{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-4738", "assignerOrgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", "state": "PUBLISHED", "assignerShortName": "GovTech CSG", "dateReserved": "2026-03-24T03:17:53.186Z", "datePublished": "2026-03-24T03:18:10.245Z", "dateUpdated": "2026-03-24T14:35:23.904Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", "shortName": "GovTech CSG", "dateUpdated": "2026-03-24T03:18:10.245Z" }, "title": "GDAL Bundled zlib (inftree9.c) Pointer Offset Optimization Undefined Behavior Allows Heap Corruption or Remote Code Execution", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-119", "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer", "type": "CWE" } ] } ], "affected": [ { "vendor": "OSGeo", "product": "gdal", "collectionURL": "https://github.com/OSGeo/gdal", "modules": [ "frmts/zlib/contrib/infback9" ], "programFiles": [ "inftree9.c‎" ], "versions": [ { "status": "affected", "version": "0", "lessThan": "3.11.0", "versionType": "git" } ], "defaultStatus": "affected" } ], "descriptions": [ { "lang": "en", "value": "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.\n\nThis issue affects gdal: before 3.11.0.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "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": [ { "url": "https://github.com/OSGeo/gdal/pull/12244", "tags": [ "patch" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "exploitMaturity": "ATTACKED", "Safety": "PRESENT", "Automatable": "YES", "Recovery": "USER", "valueDensity": "CONCENTRATED", "vulnerabilityResponseEffort": "LOW", "providerUrgency": "AMBER", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.4, "vectorString": "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" } } ], "credits": [ { "lang": "en", "value": "TITAN Team (titancaproject@gmail.com)", "type": "reporter" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 0.5.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-24T14:35:17.590340Z", "id": "CVE-2026-4738", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-24T14:35:23.904Z" } } ] } }