What’s Vulnerable › Vulnerabilities
CVE-2026-3503: Fault injection attack with ML-DSA and ML-KEM on ARM
- Severity: medium (CVSS 5.2 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: none known
- Published: 2026-03-19 · updated 2026-06-17
- Weakness: CWE-335
Description
Protection mechanism failure in wolfCrypt post-quantum implementations (ML-KEM and ML-DSA) in wolfSSL on ARM Cortex-M microcontrollers allows a physical attacker to compromise key material and/or cryptographic outcomes via induced transient faults that corrupt or redirect seed/pointer values during Keccak-based expansion. This issue affects wolfSSL (wolfCrypt): commit hash d86575c766e6e67ef93545fa69c04d6eb49400c6.
Affected products
- wolfSSL: from 5.8.2 before 5.9.0 — fixed in 5.9.0
How to fix
Upgrade to a fixed version: wolfSSL 5.9.0. Check the vendor advisory for mitigations.
References
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