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Low 3.8Published Mar 14, 2026

CVE-2026-0849crypto: ATAES132A response length allows stack buffer overflow

Updated under an hour ago ()

Does this affect you?

It affects zephyrproject-rtos Zephyr and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
3.8 LOW (v3.1, CNA)CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE)
CWE-120
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
zephyr
NVD analysis
Analyzed
Record last updated
Oct 15, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
zephyrproject-rtos Zephyr
zephyrproject_rtos:zephyr (from the name)
before 4.4.0
CNA record
zephyrproject zephyr
zephyrproject:zephyr
4.3.0; 4.3.0; 4.3.0; 4.3.0
NVD

References

  • exploit, patch, vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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