Vulnerability-Lookup

FKIE_CVE-2026-0849

Vulnerability from fkie_nvd - Published: 2026-03-16 14:18 - Updated: 2026-06-17 10:11

Severity

3.8 (Low) - CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

Malformed ATAES132A responses with an oversized length field overflow a 52-byte stack buffer in the Zephyr crypto driver, allowing a compromised device or bus attacker to corrupt kernel memory and potentially hijack execution.

References

	URL	Tags
	vulnerabilities@zephyrproject.org	https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6	Exploit, Patch, Vendor Advisory
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6	Exploit, Patch, Vendor Advisory

Impacted products

Vendor	Product	Version
zephyrproject	zephyr	4.3.0
zephyrproject	zephyr	4.3.0
zephyrproject	zephyr	4.3.0
zephyrproject	zephyr	4.3.0

JSON

To clipboard

{
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      "affectedData": [
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          "defaultStatus": "unaffected",
          "packageName": "Zephyr",
          "product": "Zephyr",
          "repo": "https://github.com/zephyrproject-rtos/zephyr",
          "vendor": "zephyrproject-rtos",
          "versions": [
            {
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              "version": "*",
              "versionType": "git"
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    },
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  "lastModified": "2026-06-17T10:11:29.810",
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}

CVE-2026-0849 (GCVE-0-2026-0849)

Vulnerability from cvelistv5 – Published: 2026-03-14 21:05 – Updated: 2026-03-17 15:05

Title

crypto: ATAES132A response length allows stack buffer overflow

Summary

Severity

3.8 (Low)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-17 15:04 UTC

CWE

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

Assigner

zephyr mitre root

References

1 reference

URL	Tags
https://github.com/zephyrproject-rtos/zephyr/secu…

Impacted products

1 product

Vendor	Product	Version
zephyrproject-rtos	Zephyr	Affected: * , ≤ 4.3 (git)

Show details on NVD website

JSON

To clipboard

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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.