What’s Vulnerable › Vulnerabilities
CVE-2026-16459: Timing side-channel in RSA PKCS#1 v1.5 decryption in Oberon PSA Crypto
- Severity: medium (CVSS 5.9 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-13 · updated 2026-10-23
- Weakness: CWE-208
Description
Padding oracle attack vulnerability in Oberon microsystem AG’s Oberon PSA Crypto library in all versions since 1.0.0 and prior to 2.1.1 allows an attacker to recover plaintexts via timing measurements of RSA PKCS#1 v1.5 decrypt operations.
Affected products
- Oberon microsystems AG Oberon PSA Crypto: from 1.0.0 before 2.1.1 — fixed in 2.1.1
How to fix
Upgrade to a fixed version: Oberon microsystems AG Oberon PSA Crypto 2.1.1. Check the vendor advisory for mitigations.
References
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