CVE-2018-18439

CRITICAL 9.8CVE-2018-18439 · Published 20/11/2018 · updated 17/06/2026

In short

CVE-2018-18439 is a CRITICAL (CVSS 9.8) vulnerability affecting u-boot (denx).
Chance of exploitation in the next 30 days (EPSS): 2.0%, higher than 81.1% of all vulnerabilities.
Fix: update to 2018.09 or later.

Package	Affected versions	Patched versions
u-boot denx	`= 2018.09< 2018.09`	`2018.09`

Description

DENX U-Boot through 2018.09-rc1 has a remotely exploitable buffer overflow via a malicious TFTP server because TFTP traffic is mishandled. Also, local exploitation can occur via a crafted kernel image.

References

openwall.com/lists/oss-security/2018/11/02/2 · Exploit

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Package

Affected versions

Patched versions

u-boot

denx

= 2018.09< 2018.09

2018.09

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