CVE-2026-15390

UNKNOWN 0.0

Out-of-bounds write in Das U-Boot

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-787 CWE-459
Vendor	denx software engineering
Product	das u-boot
Published	Sep 29, 2026
Last Updated	Sep 29, 2026

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Affected Versions

DENX Software Engineering / Das U-Boot

2009.08 ≤ 2026.07

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cert.pl: https://cert.pl/en/posts/2026/09/CVE-2026-15390 source.denx.de: https://source.denx.de/u-boot/u-boot/-/commit/b1aec609bb5e0d08c25c888c91935287ab4ee5fa

Credits

Mateusz Furdyna, Nokia