What’s Vulnerable › Vulnerabilities
CVE-2026-16458: Timing side-channel in RSA PKCS#1 v1.5 decryption in ocrypto
- 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 ocrypto library in all versions since 3.0.0 and prior to 4.0.1 allows an attacker to recover plaintexts via timing measurements of RSA PKCS#1 v1.5 decrypt operations.
Affected products
- Oberon microsystems AG ocrypto: from 3.0.0 before 4.0.1 — fixed in 4.0.1
How to fix
Upgrade to a fixed version: Oberon microsystems AG ocrypto 4.0.1. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-16458 or the next vulnerability affects your stack