CVE-2026-18036
Description
A flaw was found in Bouncy Castle. A timing side-channel vulnerability in the NTRU algorithm can lead to information disclosure. The implementation performs variable-time division operations on secret data instead of constant-time calculations, causing processing time to vary depending on the secret values. An attacker capable of measuring these timing differences during cryptographic operations can exploit this flaw to recover private keys.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Confidentiality,Access Control
Technical Impact: Read Application Data; Bypass Protection Mechanism
Frequently Asked Questions
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