CVE-2024-6443

MEDIUM EPSS 43.5%
Published Oct 4, 20241y ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Oct 4, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.5
Exploitability
2.8
Impact
3.6
Vector string
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Adjacent
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
43.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-125 Out-of-bounds Read Memory Safety
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 1

VendorProductVersionRange
zephyrprojectzephyr* ≤3.6.0

References 1

  • github.com https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gg46-3rh2-v765
    ExploitVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.