CVE-2026-16458
Medium
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.
SeverityMedium
CVSS5.9
Exploit probability—
ProductOberon Microsystems Ag Ocrypto
PublishedAug 13, 2026
First seenAug 13, 2026
Weakness typeCWE-208CWE-208CWE-327CWE-327
How to fix
Update
- Oberon microsystems AG ocrypto4.0.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Oberon microsystems AG ocrypto | 3.0.0 ≤ v < 4.0.1 | 4.0.1 |
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