U-Boot before 2026.10-rc3 Out-of-Bounds Write via Android Bootmeth Partition Read
CVSS score
4.3
EPSS probability
%0.2
Risk score
0.0
Published
13 d ago
Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.
Impact on My Inventory
Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.
Checking session…
Vulnerability description
DayBreach CVE AI Research
CVE-2026-71974 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
U-Boot before 2026.10-rc3 contains an out-of-bounds write vulnerability in read_slotted_partition() that fails to validate image size against partition bounds. Attackers with physical access can supply crafted boot media with oversized headers to write past the load buffer into bootloader memory on devices without Android Verified Boot protection.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-71974 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | u-boot | u-boot | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 4.8 | CVSS V31 | MEDIUM | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H | NVD |
| 4.8 | CVSS V3_1 | MEDIUM | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H | CVE CNA |
| 4.3 | CVSS V40 | MEDIUM | CVSS:4.0/AV:P/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 | NVD |
| 4.3 | CVSS V4_0 | MEDIUM | CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N | CVE CNA |
Patch and Remediation Guide
Solution & Remediation Advisory
2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.
Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-71974 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-71974 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
U-Boot before 2026.10-rc3 Out-of-Bounds Write in IP Fragment Reassembly
U-Boot before 2026.10-rc5 Buffer Overflow via NFS READLINK
U-Boot before 2026.10-rc5 Buffer Overflow via NFS READ Reply
U-Boot before 2026.10-rc5 Use-After-Free in lwIP wget Receive Callback
U-Boot before 2026.10-rc5 Out-of-Bounds Write via DHCPv6
U-Boot through 2026.10-rc5 Out-of-Bounds Write in BMP RLE8 Decoder
Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.enginteksut.com.tr/api/v1/intel/cves/CVE-2026-71974"