Out-of-bounds Read in Barebox
CVE-2026-34960
barebox prior to version 2026.04.0 contains an out-of-bounds read vulnerability in DHCP option parsing within the dhcp_message_type() function that fails to verify the options pointer remains within received packet bounds. An attacker on t…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (2.0th 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
- Barebox — versions 0
- Pengutronix Barebox
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Release Notes, patch)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-34960?
- CVE-2026-34960 is a medium-severity vulnerability in Barebox, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-05-11.
- How severe is CVE-2026-34960?
- Medium severity. CVSS v3 base score is 6.5 out of 10.