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Message-ID: <8d46334b-72ff-5df4-3e2a-751f5e47d96e@apache.org>
Date: Thu, 08 Jan 2026 09:50:31 +0000
From: Szymon Janc <janc@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2025-52435: Apache NimBLE: Invalid error handling in pause
encryption procedure in NimBLE controller
Severity: important
Affected versions:
- Apache NimBLE through 1.8.0
Description:
J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE.
Improper handling of Pause Encryption procedure on Link Layer results in a previously encrypted connection being left in un-encrypted state allowing an eavesdropper to observe the remainder of the exchange.
This issue affects Apache NimBLE: through <= 1.8.0.
Users are recommended to upgrade to version 1.9.0, which fixes the issue.
Credit:
Henrik Schnor <henrik.schnor@...lbox.org> (reporter)
References:
https://github.com/apache/mynewt-nimble/commit/164f1c23c18a290908df76ed83fe848bfe4a4903
https://github.com/apache/mynewt-nimble/commit/ec3d75e909fa6dcadf1836fefc4432794a673d18
https://mynewt.apache.org/
https://www.cve.org/CVERecord?id=CVE-2025-52435
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