What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-16 · updated 2026-10-15
• Weakness: CWE-120

Description

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.

Affected products

• zephyrproject zephyr: 4.3.0, 4.3.0-rc1, 4.3.0-rc2, 4.3.0-rc3

References

• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6
• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6

Get alerted when CVE-2026-0849 or the next vulnerability affects your stack