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Medium severity4.3NVD Advisory· Published Oct 19, 2021· Updated Jun 17, 2026

CVE-2021-3454

CVE-2021-3454

Description

Truncated L2CAP K-frame causes assertion failure. Zephyr versions >= 2.4.0, >= v.2.50 contain Improper Handling of Length Parameter Inconsistency (CWE-130), Reachable Assertion (CWE-617). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fx88-6c29-vrp3

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: >=2.4.0,<2.6.0
    • (no CPE)range: >=2.4.0, >=v.2.50
    • (no CPE)range: 2.4.0

Patches

Vulnerability mechanics

References

1

News mentions

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