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Medium severity4.9NVD Advisory· Published Jun 28, 2022· Updated Jun 17, 2026

CVE-2021-3434

CVE-2021-3434

Description

Stack based buffer overflow in le_ecred_conn_req(). Zephyr versions >= v2.5.0 Stack-based Buffer Overflow (CWE-121). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Zephyrproject Rtos/Zephyr3 versions
    cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*range: >=2.5.0,<2.6.0
    • (no CPE)range: >=v2.5.0
    • (no CPE)range: v2.5.0

Patches

Vulnerability mechanics

References

1

News mentions

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