{"affected":[{"defaultStatus":"unaffected","ecosystem":"github","packageName":"u-boot/u-boot","product":"u-boot","source":"CNA: VulnCheck","vendor":"u-boot","versions":[{"lessThan":"2027.01-rc1","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-71972","cwes":["CWE-787"],"description":"U-Boot before 2027.01-rc1 contains an out-of-bounds write vulnerability in the video_display_rle8_bitmap function in drivers/video/video_bmp.c. Attackers can supply a crafted RLE8-compressed BMP image to corrupt memory adjacent to the framebuffer and crash the bootloader.","epss":{"date":"2026-11-13","percentile":0.12814,"score":0.00221},"exploits":[],"kev":null,"metrics":[{"score":6,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":5.9,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","version":"3.1"}],"modifiedAt":1794601218073,"publishedAt":1790717360688,"references":[{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/u-boot/u-boot/commit/5201e83342d64c2f438ea35158575f28225e752e"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/u-boot/u-boot/blob/v2026.10-rc5/drivers/video/video_bmp.c#L126"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/u-boot-through-2026.10-rc5-out-of-bounds-write-in-bmp-rle8-decoder"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.legacymind.de/en/knowledge/u-boot-cves#cve-2026-71972"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/u-boot/u-boot/commit/5201e83342d64c2f438ea35158575f28225e752e"}],"revision":"3cec1739acb6dbf981935f663154cacc019daef77f534504ac1e3ada1e1a0f00","sources":[{"modifiedAt":1794601218073,"name":"CNA: VulnCheck","retrievedAt":1794604219115,"url":"https://www.cve.org/CVERecord?id=CVE-2026-71972"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794604220852,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-71972"}],"ssvc":{"assessedAt":1790777430572,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"U-Boot < 2027.01-rc1 Out-of-Bounds Write in BMP RLE8 Decoder","updatedAt":1794604220852}