{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"u-boot","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5ND79VWVA2W69TR2XR2RZAX","modified_at":"2026-10-23T18:04:47.211425684Z","published_at":"2018-11-20T19:29:00.620Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-18439","https://security-tracker.debian.org/tracker/CVE-2018-18439"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-18439#Debian:14/u-boot","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-18439"}],"summary":"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"}