Vulnerability-Lookup

CVE-2026-45811 (GCVE-0-2026-45811)

Vulnerability from cvelistv5 – Published: 2026-07-24 12:09 – Updated: 2026-07-24 18:14

Title

Apache NimBLE: Buffer overflow in socket HCI transport

Summary

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.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-24 18:14 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

apache mitre root

References

3 references

URL	Tags
https://github.com/apache/mynewt-nimble/commit/dc…	patch
https://lists.apache.org/thread/5mkz68y1py0o6zmxt…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache NimBLE	Affected: 0 , ≤ 1.9.0 (semver)	guessed

Credits

Yicheng Yang, Secsys Lab, Fudan University

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-45811

Vulnerability from fkie_nvd - Published: 2026-07-24 13:18 - Updated: 2026-07-27 14:41

Severity

7.5 (High) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

URL	Tags
security@apache.org	https://github.com/apache/mynewt-nimble/commit/dcc4e4f026109eecd507de9479bb5019306a4a41	Patch
security@apache.org	https://lists.apache.org/thread/5mkz68y1py0o6zmxtc3l1o8grtrb78m0	Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/07/24/11	Mailing List, Third Party Advisory

Impacted products

	Vendor	Product	Version
	apache	nimble	*

JSON

To clipboard

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GHSA-MC27-476H-FWPG

Vulnerability from github – Published: 2026-07-24 15:33 – Updated: 2026-07-24 21:32

Details

This issue affects Apache NimBLE: through 1.9.0.

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

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

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    "github_reviewed_at": null,
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    "severity": "HIGH"
  },
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  "id": "GHSA-mc27-476h-fwpg",
  "modified": "2026-07-24T21:32:21Z",
  "published": "2026-07-24T15:33:01Z",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-45811 (GCVE-0-2026-45811)

FKIE_CVE-2026-45811

GHSA-MC27-476H-FWPG

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Sightings

Nomenclature

Related by attack behaviour