Threats Tagged 'cve-2026-50577'
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Threats Tagged 'cve-2026-50577'
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0 CVE-2026-50577 is a vulnerability in fbeta-GmbH's ePA3-Service-OpenSource prior to version 1.3.0. The flaw involves reuse of AES-GCM nonce and key pairs due to a frozen client request counter, which leads to repeated nonces in encrypted responses. This allows an attacker to recover XORs of plaintexts and potentially sensitive patient health data. Additionally, the vulnerability enables recovery of the GHASH authentication key via the Joux forbidden attack, permitting message forgery and injection of malicious responses. The issue also weakens replay and ordering validation by failing to maintain the last response counter. The vulnerability is fixed in version 1.3.0. Join the discussion | CVE Database V5 | 08/18/2026, 16:52:38 UTC Added: 08/18/2026, 17:20:40 UTC |
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