CVE-2026-16458

Medium

Open

TLP:CLEAR

Timing side-channel in RSA PKCS#1 v1.5 decryption in ocrypto

NVD CVE.org

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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.

Details

CVSS Score: 5.9
EPSS Score ⓘ: 0.07%

0th percentile
CVSS 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
Confidence: 90%
Published: Aug 13, 2026
Last Modified: Aug 13, 2026

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