Out-of-bounds Read in Espressif Esp-idf
CVE-2026-45160
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.7, 5.3.5, 5.4.4, 5.5.4, and 6.0.1, an out-of-bounds read flaw exists in the DHCP server option parser (parse_options() in components/lwip/apps/dhcpser…
Vulnerability class: Buffer Overflow
EPSS: 0.002 (16.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Espressif Esp-idf — versions 5.5.4, = 5.2.7, 5.2.7
Weakness classification (CWE)
References
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-45160?
- CVE-2026-45160 is a medium-severity vulnerability in Espressif Esp-idf, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-06-10.
- How severe is CVE-2026-45160?
- Medium severity. CVSS v3 base score is 6.5 out of 10.