{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-15390", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "state": "PUBLISHED", "assignerShortName": "CERT-PL", "dateReserved": "2026-07-10T11:51:31.347Z", "datePublished": "2026-09-29T10:04:31.905Z", "dateUpdated": "2026-09-29T10:55:43.070Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "shortName": "CERT-PL", "dateUpdated": "2026-09-29T10:06:54.262Z" }, "title": "Out-of-bounds write in Das U-Boot", "datePublic": "2026-09-29T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds write", "type": "CWE" } ] }, { "descriptions": [ { "lang": "en", "cweId": "CWE-459", "description": "CWE-459 Incomplete cleanup", "type": "CWE" } ] } ], "affected": [ { "vendor": "DENX Software Engineering", "product": "Das U-Boot", "repo": "https://source.denx.de/u-boot/u-boot", "modules": [ "__net_defragment()" ], "programFiles": [ "net.c" ], "versions": [ { "status": "affected", "version": "2009.08", "lessThanOrEqual": "2026.07", "changes": [ { "at": "commit b1aec609bb5e0d08c25c888c91935287ab4ee5fa", "status": "unaffected" } ], "versionType": "date" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "Das U-Boot with CONFIG_IP_DEFRAG=y parameter fails to clear IP reassembly state after delivering a complete datagram. An attacker who can deliver fragmented IP traffic can execute arbitrary code by sending duplicated last-fragment IP packets.\n\n\nThis issue was fixed in commit b1aec609bb5e0d08c25c888c91935287ab4ee5fa in version 2026.07.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Das U-Boot with CONFIG_IP_DEFRAG=y parameter fails to clear IP reassembly state after delivering a complete datagram. An attacker who can deliver fragmented IP traffic can execute arbitrary code by sending duplicated last-fragment IP packets.