{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-67855", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-08-04T21:14:57.699Z", "dateReserved": "2026-07-30T00:00:00.000Z", "datePublished": "2026-08-04T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-08-04T21:14:57.699Z"}, "descriptions": [{"lang": "en", "value": "open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/open62541/open62541"}, {"url": "https://github.com/open62541/open62541/issues/8093"}, {"url": "https://github.com/open62541/open62541/blob/master/src/server/ua_server_ns0_gds.c"}, {"url": "https://github.com/open62541/open62541/blob/master/arch/posix/eventloop_posix.c"}, {"url": "https://github.com/open62541/open62541/blob/master/src/server/ua_server_internal.h"}, {"url": "https://github.com/open62541/open62541/blob/master/examples/encryption/server_encryption.c"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{}

{}

{"created": "2026-08-04T22:30:05.155676+00:00", "title": "Heap Use-After-Free in open62541 GDS PushManagement Allows Remote Denial of Service", "updated": "2026-08-04T22:30:05.155681+00:00", "vendors": [], "weaknesses": ["CWE-416"]}