Out-of-bounds Read in U-boot
CVE-2026-29007
U-Boot through 2026.04-rc3 contains an out-of-bounds read vulnerability in tcp_rx_state_machine() (net/tcp.c) when CONFIG_PROT_TCP is enabled, allowing remote attackers to read beyond TCP segment boundaries by crafting a malicious packet w…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- U-boot — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (issue-tracking)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-29007?
- CVE-2026-29007 is a medium-severity vulnerability in U-boot, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2026-07-08.
- How severe is CVE-2026-29007?
- Medium severity. CVSS v3 base score is 5.3 out of 10.