CVE-2026-71972CWE-787

CVE-2026-71972

Medium · published September 30, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
12.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
CVSS v4.0
6.0 · 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
EPSS
0.00221 · 12.0th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-09-30T02:18Z
References (4)
https://github.com/u-boot/u-boot · [email protected]https://github.com/u-boot/u-boot/blob/v2026.10-rc5/drivers/video/video_bmp.c#L126 · [email protected]https://github.com/u-boot/u-boot/commit/5201e83342d64c2f438ea35158575f28225e752e · [email protected]https://www.vulncheck.com/advisories/u-boot-through-2026.10-rc5-out-of-bounds-write-in-bmp-rle8-decoder · [email protected]
EPSS history
Timeline
  • 01 OCT 03:49Z
    EPSS moved — → 0%
    epss
  • 29 SEP 21:29Z
    U-Boot through 2026.10-rc5 Out-of-Bounds Write in BMP RLE8 Decoder
    cvelistv5