Out-of-bounds Read Affecting espressif/esp-idf package, versions [,5.2.8)[5.3-beta1,5.3.6)[5.4-beta1,5.4.5)[5.5-beta1,5.5.5)[6.0-beta1,6.0.2)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.4% (32nd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Out-of-bounds Read vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-ESPRESSIFESPIDF-17391843
  • published21 Jun 2026
  • disclosed10 Jun 2026
  • creditEun0us

Introduced: 10 Jun 2026

CVE-2026-45160  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade espressif/esp-idf to version 5.2.8, 5.3.6, 5.4.5, 5.5.5, 6.0.2 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read in the parse_options process. An attacker can cause the parser to read beyond the intended buffer boundary by sending a crafted DHCP request with manipulated option lengths, potentially leading to access of adjacent heap memory. This is only exploitable if the device is configured to operate as a DHCP server, such as in SoftAP mode or when acting as a DHCP server on a local network.

CVSS Base Scores

version 4.0
version 3.1