CVE-2026-11809: Out-of-bounds Read

The UpdateHub OTA client in subsys/mgmt/updatehub/updatehub.c contains an out-of-bounds / uninitialized-memory read in zimplupdatehubprobe. The probe response from the UpdateHub server is copied into a heap buffer metadata that is correctly NUL-terminated, but a second buffer metadatacopy is...

CVE-2026-11810: NULL Pointer Dereference

The UpdateHub firmware-update agent's probe handler zimplupdatehubprobe in subsys/mgmt/updatehub/updatehub.c parses the JSON metadata returned by the update server into a fixed two-level nested-array struct. After parsing it validates only the outer array length objectslen != 2 and then...