PT-2026-64281 · Apache · Apache Nimble

Vulncheck · CVE-2026-45813 · Published 2026-07-24 · Updated 2026-07-24

NVD

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Out-of-bounds Write, Integer Underflow (Wrap or Wraparound) vulnerability in Apache NimBLE BASS service. Improper validation when parsing BASS service  "Add Source" and "Modify Source" operation PDU could results in stack buffer overflow or arbitrary out-of-bound read.

This can be triggered by nearby devices over Bluetooth connection, however pairing is required prior to accessing BASS service, which depending on device configuration may or may not require user action.

This issue affects Apache NimBLE: through 1.9.0.

Users are recommended to upgrade to version 1.10.0, which fixes the issue.

Fix

Memory Corruption

Integer Underflow

Weakness Enumeration

CWE-787

CWE-191

Related Identifiers

CVE-2026-45813

Affected Products

Apache Nimble

References · 4

• https://github.com/apache/mynewt-nimble/pull/2232 · Patch
• https://lists.apache.org/thread/vc1ny73w243z5wr6t0y10gc6t2c9cytw · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-45813 · Security Note
• http://openwall.com/lists/oss-security/2026/07/24/13 · Note