# Barebox vulnerabilities

Source: https://junglewise.ai/threats/technologies/barebox  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/barebox.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in Barebox: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-46728, was published on 16 May 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 6 (0 critical, 0 exploited in the wild)

## About Barebox

Barebox is a bootloader for embedded systems that provides U-Boot-like functionality.

## Latest Barebox vulnerabilities

- [CVE-2026-46728: Das U-Boot and Barebox FIT signature verification bypass](https://junglewise.ai/threats/cve-2026-46728-das-u-boot-and-barebox-fit-signature-verification-bypass) (high, CVSS 8.2, published 16 May 2026)
- [CVE-2026-34963: barebox integer overflow and heap overflow in EFI PE loader](https://junglewise.ai/threats/cve-2026-34963-barebox-integer-overflow-and-heap-overflow-in-efi-pe-loader) (high, CVSS 8.4, published 11 May 2026)
- [CVE-2026-34962: barebox infinite loop in ext4 directory parsing](https://junglewise.ai/threats/cve-2026-34962-barebox-infinite-loop-in-ext4-directory-parsing) (medium, CVSS 6.2, published 11 May 2026)
- [CVE-2026-34961: barebox out-of-bounds read in ext4 extent parsing](https://junglewise.ai/threats/cve-2026-34961-barebox-out-of-bounds-read-in-ext4-extent-parsing) (medium, CVSS 6.2, published 11 May 2026)
- [CVE-2026-34960: barebox out-of-bounds read in DHCP option parsing](https://junglewise.ai/threats/cve-2026-34960-barebox-out-of-bounds-read-in-dhcp-option-parsing) (medium, CVSS 6.5, published 11 May 2026)
- [CVE-2026-33243: barebox FIT signature verification bypass](https://junglewise.ai/threats/cve-2026-33243-barebox-fit-signature-verification-bypass) (high, CVSS 8.2, published 20 Mar 2026)

## Most severe Barebox vulnerabilities

- [CVE-2026-34963: barebox integer overflow and heap overflow in EFI PE loader](https://junglewise.ai/threats/cve-2026-34963-barebox-integer-overflow-and-heap-overflow-in-efi-pe-loader) (high, CVSS 8.4, published 11 May 2026)
- [CVE-2026-33243: barebox FIT signature verification bypass](https://junglewise.ai/threats/cve-2026-33243-barebox-fit-signature-verification-bypass) (high, CVSS 8.2, published 20 Mar 2026)
- [CVE-2026-46728: Das U-Boot and Barebox FIT signature verification bypass](https://junglewise.ai/threats/cve-2026-46728-das-u-boot-and-barebox-fit-signature-verification-bypass) (high, CVSS 8.2, published 16 May 2026)
- [CVE-2026-34960: barebox out-of-bounds read in DHCP option parsing](https://junglewise.ai/threats/cve-2026-34960-barebox-out-of-bounds-read-in-dhcp-option-parsing) (medium, CVSS 6.5, published 11 May 2026)
- [CVE-2026-34961: barebox out-of-bounds read in ext4 extent parsing](https://junglewise.ai/threats/cve-2026-34961-barebox-out-of-bounds-read-in-ext4-extent-parsing) (medium, CVSS 6.2, published 11 May 2026)
- [CVE-2026-34962: barebox infinite loop in ext4 directory parsing](https://junglewise.ai/threats/cve-2026-34962-barebox-infinite-loop-in-ext4-directory-parsing) (medium, CVSS 6.2, published 11 May 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Barebox vulnerabilities", https://junglewise.ai/threats/technologies/barebox, 9 November 2026.