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.
Published: 2026-08-13
Score: 5.9 Medium
EPSS: < 1% Very Low
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 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 13 Aug 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Oberon Microsystems Ag
Oberon Microsystems Ag oberon Psa Crypto
Vendors & Products Oberon Microsystems Ag
Oberon Microsystems Ag oberon Psa Crypto

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

Type Values Removed Values Added
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.
Title Timing side-channel in RSA PKCS#1 v1.5 decryption in Oberon PSA Crypto
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

Oberon Microsystems Ag Oberon Psa Crypto
cve-icon MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published:

Updated: 2026-08-13T14:24:15.253Z

Reserved: 2026-07-21T11:21:06.418Z

Link: CVE-2026-16459

cve-icon Vulnrichment

Updated: 2026-08-13T14:24:05.345Z

cve-icon NVD

Status : Received

Published: 2026-08-13T09:17:12.447

Modified: 2026-08-13T15:19:34.087

Link: CVE-2026-16459

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T10:39:03Z

Weaknesses