Out-of-bounds Read Affecting barebox package, versions [,2026.04.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-BAREBOX-16658557
- published14 May 2026
- disclosed12 May 2026
- creditKazuma Matsumoto
Introduced: 12 May 2026
CVE-2026-34960 (opens in a new tab)How to fix?
Upgrade barebox to version 2026.04.0 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read in the dhcp_message_type function when parsing DHCP options. An attacker can cause the system to read memory outside the bounds of a received packet and potentially crash the system by sending a crafted DHCP Offer or ACK packet without a proper 0xff end marker.