Technology · Denx
Denx U-Boot vulnerabilities
Updated . Rebuilt every hour.
Junglewise Threat Intelligence has tracked 28 vulnerabilities in Denx U-Boot: 0 in the last 7 days and 5 in the last 90 days, 16 of them critical and 0 exploited in the wild. The most recent, CVE-2025-70293, was published on 26 August 2026.
- Last 7 days
- 0
- Last 90 days
- 5
- Critical, all time
- 16
- Exploited in the wild
- 0
About Denx U-Boot
A primary bootloader used in embedded devices to package the instructions to boot the device's operating system kernel.
Latest Denx U-Boot vulnerabilities
- CVE-2025-70293: Denx U-Boot integer overflow in ext4fs_get_bgdtablecriticalCVSS 9.8EPSS 0.8%
- CVE-2025-70290: Denx U-Boot integer overflow in ZFS filesystem supportcriticalCVSS 9.8EPSS 0.7%
- CVE-2026-29009: U-Boot buffer overflow in nfs_readlink_replyhighCVSS 8.2
- CVE-2026-29008: U-Boot integer underflow in tcp_rx_state_machinehighCVSS 7.5
- CVE-2026-29007: U-Boot out-of-bounds read in tcp_rx_state_machinemediumCVSS 5.3
- CVE-2026-46728: Das U-Boot and Barebox FIT signature verification bypasshighCVSS 8.2
- CVE-2024-57258: Das U-Boot integer overflows in memory allocatorhighCVSS 7.1
- CVE-2024-57256: Das U-Boot integer overflow in ext4fs_read_symlinkhighCVSS 7.1
- CVE-2022-2347: DENX U-Boot heap buffer overflow in USB DFU implementationhighCVSS 7.7
- CVE-2022-34835: Denx Das U-Boot stack buffer overflow in i2c md commandcriticalCVSS 9.8
- CVE-2022-30790: Das U-Boot buffer overflow in version 2022.01highCVSS 7.8
- CVE-2022-30552: Das U-Boot buffer overflow in bootloadermediumCVSS 5.5
- CVE-2020-10648: Denx Das U-Boot verified boot bypass in FIT image parsinghighCVSS 7.8
- CVE-2019-13106: Denx U-Boot stack buffer overflow in ext4fs_read_filehighCVSS 7.8
- CVE-2019-13104: Das U-Boot integer underflow in ext4 filesystem parsinghighCVSS 7.8
- CVE-2019-14204: Das U-Boot stack overflow in nfs_umountall_replycriticalCVSS 9.8
- CVE-2019-14203: Das U-Boot stack overflow in nfs_mount_replycriticalCVSS 9.8
- CVE-2019-14202: Das U-Boot stack overflow in nfs_readlink_replycriticalCVSS 9.8
- CVE-2019-14201: Das U-Boot stack buffer overflow in nfs_lookup_replycriticalCVSS 9.8
- CVE-2019-14200: Das U-Boot stack overflow in rpc_lookup_replycriticalCVSS 9.8
- CVE-2019-14199: Das U-Boot integer underflow in UDP packet parsingcriticalCVSS 9.8
- CVE-2019-14198: Das U-Boot unbounded memcpy in nfs_read_replycriticalCVSS 9.8
- CVE-2019-14197: Das U-Boot out-of-bounds read in nfs_read_replycriticalCVSS 9.1
- CVE-2019-14196: Das U-Boot stack overflow in nfs_lookup_replycriticalCVSS 9.8
- CVE-2019-14195: Das U-Boot stack overflow in nfs_readlink_replycriticalCVSS 9.8
Most severe Denx U-Boot vulnerabilities
Exploited in the wild first, then by severity and CVSS score.
- CVE-2025-70293: Denx U-Boot integer overflow in ext4fs_get_bgdtablecriticalCVSS 9.8EPSS 0.8%
- CVE-2025-70290: Denx U-Boot integer overflow in ZFS filesystem supportcriticalCVSS 9.8EPSS 0.7%
- CVE-2022-34835: Denx Das U-Boot stack buffer overflow in i2c md commandcriticalCVSS 9.8
- CVE-2019-14204: Das U-Boot stack overflow in nfs_umountall_replycriticalCVSS 9.8
- CVE-2019-14203: Das U-Boot stack overflow in nfs_mount_replycriticalCVSS 9.8
- CVE-2019-14202: Das U-Boot stack overflow in nfs_readlink_replycriticalCVSS 9.8
- CVE-2019-14201: Das U-Boot stack buffer overflow in nfs_lookup_replycriticalCVSS 9.8
- CVE-2019-14200: Das U-Boot stack overflow in rpc_lookup_replycriticalCVSS 9.8
- CVE-2019-14199: Das U-Boot integer underflow in UDP packet parsingcriticalCVSS 9.8
- CVE-2019-14198: Das U-Boot unbounded memcpy in nfs_read_replycriticalCVSS 9.8
Vulnerabilities per week
The last 13 weeks, by the week each vulnerability was published.
| Week of | Bar | Vulns | Critical |
|---|---|---|---|
| 29 Jun 2026 | 0 | 0 | |
| 6 Jul 2026 | 3 | 0 | |
| 13 Jul 2026 | 0 | 0 | |
| 20 Jul 2026 | 0 | 0 | |
| 27 Jul 2026 | 0 | 0 | |
| 3 Aug 2026 | 0 | 0 | |
| 10 Aug 2026 | 0 | 0 | |
| 17 Aug 2026 | 0 | 0 | |
| 24 Aug 2026 | 2 | 2 | |
| 31 Aug 2026 | 0 | 0 | |
| 7 Sep 2026 | 0 | 0 | |
| 14 Sep 2026 | 0 | 0 | |
| 21 Sep 2026 | 0 | 0 |
How this is built
Junglewise Threat Intelligence collects vulnerabilities from NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories, and matches each one to the technologies and vendors it affects. Dates are the date a vulnerability was published, in UTC.
The pages are rebuilt from the database every hour. Frozen weekly and monthly reports never change once published, so they can be cited.
Use this data
The same data is at https://junglewise.ai/threats/technologies/u-boot.json, for scripts and language models. It is free to reuse under CC BY 4.0 with a link back to this page.
Cite as: Junglewise Threat Intelligence, "Denx U-Boot vulnerabilities", https://junglewise.ai/threats/technologies/u-boot, 26 September 2026.