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.
Published: 2026-08-13
Score: 5.9 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 13 Aug 2026 09:00:00 +0000

Type Values Removed Values Added
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.
Title Timing side-channel in RSA PKCS#1 v1.5 decryption in ocrypto
Weaknesses CWE-208
CWE-327
References
Metrics cvssV4_0

{'score': 5.9, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published:

Updated: 2026-08-13T08:31:39.341Z

Reserved: 2026-07-21T11:21:05.979Z

Link: CVE-2026-16458

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-13T09:17:12.283

Modified: 2026-08-13T09:17:12.283

Link: CVE-2026-16458

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T10:30:04Z

Weaknesses