CVE-2026-15390Out-of-bounds write in Das U-Boot
Updated under an hour ago ()
Does this affect you?
It affects DENX Software Engineering Das U-Boot. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.29%, higher than 19% of scored CVEs.
Do this next
Free account, 1 product
Das U-Boot with CONFIG_IP_DEFRAG=y parameter fails to clear IP reassembly state after delivering a complete datagram. An attacker who can deliver fragmented IP traffic can execute arbitrary code by sending duplicated last-fragment IP packets. This issue was fixed in commit b1aec609bb5e0d08c25c888c91935287ab4ee5fa in version 2026.07.
- CVSS
- 9.0 CRITICAL (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- Weakness (CWE)
- CWE-787, CWE-459
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.29% (percentile 19)
- Assigned by
- CERT-PL
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 29, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
DENX Software Engineering Das U-Boot denx_software_engineering:das_u_boot (from the name) | from 2009.08 through 2026.07; fixed at commit b1aec609bb5e0d08c25c888c91935287ab4ee5fa | CNA record |
References
- https://cert.pl/en/posts/2026/09/CVE-2026-15390third-party-advisory
- https://source.denx.de/u-boot/u-boot/-/commit/b1aec609bb5e0d08c25c888c91935287ab4ee5fapatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.