CVE-2026-45811

HIGH
MEDIUM Priority: 0.04 BB Relevance: 50/100
Published: 2026-07-24 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Adjacent No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Adjacent
AC: High
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Apache NimBLE. The HCI socket transport did not check whether a received HCI event would fit the configured event pool before copying it, allowing a buffer overflow. Severity is low: exploitation requires either a misconfigured pool size or a malicious/compromised controller on the other end of the HCI socket link, not over-the-air Bluetooth access. This issue affects Apache NimBLE: through 1.9.0. Users are recommended to upgrade to version 1.10.0, which fixes the issue.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
apache nimble < 1.10.0

Bug Bounty Relevance

50 / 100
✓ No authentication
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.48%
Raw Score 0.004820
Percentile 41.5%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00482
2026-10-28
0.00482

Intelligence Sources

nvd ref →