What is CVE-2024-6258?

CVE-2024-6258 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2024-09-13.

How severe is CVE-2024-6258?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Is CVE-2024-6258 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Zephyrproject Zephyr

CVE-2024-6258

BT: Missing length checks of net_buf in rfcomm_handle_data

Vulnerability class: Buffer Overflow

Published 2024-09-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.004 (35.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7833-fcpm-3ggm (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2024-6258?: CVE-2024-6258 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2024-09-13.
How severe is CVE-2024-6258?: Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2024-6258 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.