Malformed ATAES132A responses with an oversized length field overflow a 52-byte stack buffer in the Zephyr crypto driver, allowing a compromised device or bus attacker to corrupt kernel memory and potentially hijack execution.
{
"cna_assigner": "zephyr",
"cwe_ids": [
"CWE-120"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0849.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "*"
},
{
"fixed": "4.4.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}