U-Boot through 2026.10-rc5 Out-of-Bounds Write in BMP RLE8 Decoder
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.
Severity medium: primary CNA CVSS 6 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-09-29T21:29:20.688Z. Updated 2026-09-30T14:10:40.135Z.