{"id":"CVE-2026-4738","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\u200e.\n\nThis issue affects gdal: before 3.11.0.","modified":"2026-07-08T08:05:18.343298322Z","published":"2026-03-24T03:18:10.245Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4738.json","cwe_ids":["CWE-119"],"cna_assigner":"GovTech CSG"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4738.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4738"},{"type":"FIX","url":"https://github.com/OSGeo/gdal/pull/12244"},{"type":"PACKAGE","url":"https://github.com/OSGeo/gdal"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/osgeo/gdal","events":[{"introduced":"0"},{"fixed":"447eb5238bb6ef2837e68bf2ec742c64007b680b"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION"],"extracted_events":[{"introduced":"0"},{"fixed":"3.11.0"}]}}],"versions":["v3.11.0beta1","v3.8.0RC1","v3.8.0beta1","v3.6.0RC1","v3.5.0RC1","v3.3.0RC1","v3.3.0","v3.3.0beta1","v3.1.0RC1","3.0.3","2.4.4","v2.4.0","v2.3.0beta1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4738.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}