Vulnerability-Lookup

CVE-2026-40454 (GCVE-0-2026-40454)

Vulnerability from cvelistv5 – Published: 2026-07-10 07:19 – Updated: 2026-07-10 14:55

Title

Apache IoTDB C++ client: Out-of-bounds reads in C++ client TsBlock deserializer crash client process on malformed server data

Summary

Out-of-bounds Read, Improper Input Validation vulnerability in Apache IoTDB C++ client. Out-of-bounds reads in IoTDB C++ client TsBlock deserializer crash client process on malformed server data. This issue affects Apache IoTDB C++ client: from 1.3.5 before 1.3.8, from 2.0.5 before 2.0.10. Users are recommended to upgrade to version 2.0.10, which fixes the issue.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-10 14:27 UTC

CWE

CWE-125 - Out-of-bounds Read
CWE-20 - Improper Input Validation

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1087 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/9wml325g6bpovw0jf…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/07/10/8

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache IoTDB C++ client	Affected: 1.3.5 , < 1.3.8 (semver) Affected: 2.0.5 , < 2.0.10 (semver)	guessed

Credits

bugbunny.ai

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-40454

Vulnerability from fkie_nvd - Published: 2026-07-10 08:16 - Updated: 2026-07-10 16:16

Severity

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

Summary

References

	URL	Tags
	security@apache.org	https://lists.apache.org/thread/9wml325g6bpovw0jf5ymtc3xl7fwlkrn
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/07/10/8

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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GHSA-74PH-CX7X-V56M

Vulnerability from github – Published: 2026-07-10 09:31 – Updated: 2026-07-10 18:32

Details

Out-of-bounds Read, Improper Input Validation vulnerability in Apache IoTDB C++ client. Out-of-bounds reads in IoTDB C++ client TsBlock deserializer crash client process on malformed server data.

This issue affects Apache IoTDB C++ client: from 1.3.5 before 1.3.8, from 2.0.5 before 2.0.10.

Users are recommended to upgrade to version 2.0.10, which fixes the issue.

Severity

7.5 (High)


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

Show details on source website

JSON

To clipboard

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  "id": "GHSA-74ph-cx7x-v56m",
  "modified": "2026-07-10T18:32:13Z",
  "published": "2026-07-10T09:31:37Z",
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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.

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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.

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CVE-2026-40454 (GCVE-0-2026-40454)

FKIE_CVE-2026-40454

GHSA-74PH-CX7X-V56M

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