U-Boot up to 2026.10-rc5 BMP image video_bmp.c video_display_rle8_bitmap out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.70

Summaryinfo

A vulnerability was found in U-Boot up to 2026.10-rc5 and classified as problematic. This issue affects the function video_display_rle8_bitmap of the file drivers/video/video_bmp.c of the component BMP image Handler. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2026-71972. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in U-Boot up to 2026.10-rc5 and classified as problematic. Affected by this issue is the function video_display_rle8_bitmap of the file drivers/video/video_bmp.c of the component BMP image Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is integrity, and availability. CVE summarizes:

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 advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-71972 since 08/08/2026. The exploitation is known to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.4
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/08/2026 CVE reserved
09/29/2026 +52 days Advisory disclosed
09/29/2026 +0 days VulDB entry created
09/29/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-71972 (🔒)
GCVE (CVE): GCVE-0-2026-71972
GCVE (VulDB): GCVE-100-411800

Entryinfo

Created: 09/29/2026 23:42
Changes: 09/29/2026 23:42 (75)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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