{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71972","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-08-08T16:43:04.178Z","datePublished":"2026-09-29T21:29:20.688Z","dateUpdated":"2026-09-30T14:10:40.135Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-29T21:29:20.688Z"},"datePublic":"2026-07-29T00:00:00.000Z","title":"U-Boot through 2026.10-rc5 Out-of-Bounds Write in BMP RLE8 Decoder","descriptions":[{"lang":"en","value":"U-Boot through 2026.10-rc5 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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Out-of-bounds Write","cweId":"CWE-787","type":"CWE"}]}],"affected":[{"vendor":"u-boot","product":"u-boot","repo":"https://github.com/u-boot/u-boot","packageURL":"pkg:github/u-boot/u-boot","defaultStatus":"unaffected","versions":[{"version":"0","lessThanOrEqual":"2026.10-rc5","status":"affected","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*","versionEndIncluding":"2026.10-rc5"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/u-boot/u-boot/commit/5201e83342d64c2f438ea35158575f28225e752e","tags":["patch"]},{"url":"https://github.com/u-boot/u-boot/blob/v2026.10-rc5/drivers/video/video_bmp.c#L126","tags":["technical-description"]},{"url":"https://github.com/u-boot/u-boot","tags":["product"]},{"name":"VulnCheck Advisory: U-Boot through 2026.10-rc5 Out-of-Bounds Write in BMP RLE8 Decoder","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/u-boot-through-2026.10-rc5-out-of-bounds-write-in-bmp-rle8-decoder"}],"credits":[{"lang":"en","value":"Shahriyar Jalayeri (ByteRay Ltd.)","type":"finder"},{"lang":"en","value":"Mehrun P. Hunter (ByteRay Ltd.)","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-30T14:10:30.572597Z","id":"CVE-2026-71972","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-30T14:10:40.135Z"}}]}}