U-Boot through 2026.10-rc5 Out-of-Bounds Write in BMP RLE8 Decoder
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6epss 0.2%
exploitation probability
0.2%top 89% of all CVEs
observed exploitation
nono source reports it
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.
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
Affected products
u-boot · u-bootReferences
https://github.com/u-boot/u-boothttps://github.com/u-boot/u-boot/blob/v2026.10-rc5/drivers/video/video_bmp.c#L126https://github.com/u-boot/u-boot/commit/5201e83342d64c2f438ea35158575f28225e752ehttps://www.vulncheck.com/advisories/u-boot-through-2026.10-rc5-out-of-bounds-write-in-bmp-rle8-decoder