CVE-2025-9071

Low

Description

Erroneously using an all-zero seed for RSA-OEAP padding instead of the generated random bytes, in Oberon microsystems AG’s Oberon PSA Crypto library in all versions up to 1.5.1, results in deterministic RSA and thus in a loss of confidentiality for guessable messages, recognition of repeated messages, and loss of security proofs.

SeverityLow
CVSS2.3
Exploit probability7. percentile0.2%
ProductOberon PSA Crypto
PublishedAug 29, 2025
First seenAug 29, 2025
Weakness typeCWE-780CWE-780

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Oberon microsystems AG Oberon PSA Crypto1.0.0 ≤ v ≤ 1.5.1—

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