CVE-2026-71972 json
U-Boot through 2026.10-rc5 Out-of-Bounds Write in BMP RLE8 Decoder
published last mo. modified last mo. also EUVD-2026-89430
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Is CVE-2026-71972 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 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 |
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H |
| CNA | 4.0 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- u-boot u-boot
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/u-boot/u-boot/commit/5201e83342d64c2f438ea35158575f28225e752e
patch
-
github.com
/u-boot/u-boot/blob/v2026.10-rc5/drivers/video/video_bmp.c#L126
technical-description
-
github.com
/u-boot/u-boot
product
-
vulncheck.com
/advisories/u-boot-through-2026.10-rc5-out-of-bounds-write-in-bmp-rle8-decoder
third-party-advisory
Sources
- CVE List CVE-2026-71972
- NVD CVE-2026-71972
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.