CVE-2026-45813

high Apache
CVSS v3 Base Score
8.8
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.3%
Exploitation probability in 30 days
Top 80% most likely to be exploited
Attack Characteristics
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: July 24, 2026 (44 days ago)
Last Modified: July 27, 2026
Vendor: Apache
Source: NVD

Description

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.

CWE

CWE-191

Affected Products

apache nimble

References

🔗 github.com 🔗 lists.apache.org 🔗 www.openwall.com