CVE-2024-6443
MEDIUMCVSS 6.5/10EPSS 0.58%
Last modified
CVE-2024-6443 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In utf8_trunc in zephyr/lib/utils/utf8.c, last_byte_p can point to one byte before the string pointer if the string is empty.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.
Description
In utf8_trunc in zephyr/lib/utils/utf8.c, last_byte_p can point to one byte before the string pointer if the string is empty.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zephyrproject | Zephyr | <= 3.6.0 |
References
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gg46-3rh2-v765Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2024-6443?
In utf8_trunc in zephyr/lib/utils/utf8.c, last_byte_p can point to one byte before the string pointer if the string is empty.
How severe is CVE-2024-6443?
CVE-2024-6443 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.
How do I fix CVE-2024-6443?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2024-6443?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST