CVE-2026-71972

MEDIUMCVSS 5.9

Description

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.

Timeline

Published:September 29th, 2026 10:18 PM

Last modified:September 30th, 2026 4:40 PM

CVSS Scoring

CVSS v3: 5.9 (MEDIUM)

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Weaknesses (CWE)

CWE-787

References & Reports

Advisories, patches, and third-party reports

https://github.com/u-boot/u-boot
https://github.com/u-boot/u-boot/blob/v2026.10-rc5/drivers/video/video_bmp.c#L126
https://github.com/u-boot/u-boot/commit/5201e83342d64c2f438ea35158575f28225e752e
https://www.vulncheck.com/advisories/u-boot-through-2026.10-rc5-out-of-bounds-write-in-bmp-rle8-decoder

Source: NIST NVD · Data may lag official sources by up to one minute