CVE catalog
CVE-2026-74225
U-Boot before 2026.10-rc5 contains out-of-bounds memory access in dhcp6_parse_options() that fails to validate SERVERID and CLIENTID option lengths from DHCPv6 packets. Attackers on the local network
- Severity
- High · CVSS 8.8
CVSS:4.0/AV:N/AC:L/AT:N/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 - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.23% · Oct 25, 2026
U-Boot before 2026.10-rc5 contains out-of-bounds memory access in dhcp6_parse_options() that fails to validate SERVERID and CLIENTID option lengths from DHCPv6 packets. Attackers on the local network can send crafted DHCPv6 ADVERTISE or REPLY packets during netboot to corrupt memory and crash the bootloader.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | u-boot | sid | 2025.01-3.2 | vulnerable |
| Debian | u-boot | forky | 2025.01-3.2 | vulnerable |
| Debian | u-boot | trixie | 2025.01-3+deb13u1 | vulnerable |
| Debian | u-boot | bookworm | 2023.01+dfsg-2+deb12u3 | vulnerable |
| Debian | u-boot | bookworm-security | 2023.01+dfsg-2+deb12u3 | vulnerable |
| Ubuntu | u-boot | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-amlogic | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-amlogic-binaries | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-asahi | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-exynos | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-exynos-binaries | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-imx | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-microchip | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-mvebu | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-omap | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-qcom | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-qemu | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-rockchip | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-rpi | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-sifive | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-sitara-binaries | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-starfive | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-stm32 | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-sunxi | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-tegra | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-tools | noble | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-nezha | 22.04 | 2021.09+git20211008.62392d3-0ubuntu1 | vulnerable |
| Ubuntu | u-boot-nezha | 22.04 | 2022.04+git20220405.7446a472-0ubuntu0.1 | vulnerable |
| Ubuntu | u-boot-nezha | 22.04 | 2022.04+git20220405.7446a472-0ubuntu0.2 | vulnerable |
| Ubuntu | u-boot-nezha | 22.04 | 2022.04+git20220405.7446a472-0ubuntu0.3 | vulnerable |
| Ubuntu | u-boot-nezha | 22.04 | 2022.04+git20220405.7446a472-0ubuntu0.4 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2023.07+dfsg-1ubuntu2 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2024.01+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2024.01+dfsg-1ubuntu2 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2024.01+dfsg-1ubuntu3 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2024.01+dfsg-1ubuntu4 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2024.01+dfsg-1ubuntu5 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2024.01+dfsg-1ubuntu5.1 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2024.01+dfsg-1ubuntu5.2 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2025.01-0ubuntu0.24.04.1 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2025.01-0ubuntu0.24.04.2 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2025.10-0ubuntu0.24.04.1 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2025.10-0ubuntu0.24.04.2 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2025.10-0ubuntu0.24.04.3 | vulnerable |
| Ubuntu | u-boot | 24.04 | 2025.10-0ubuntu0.24.04.4 | fixed |
| Ubuntu | u-boot-nezha | 24.04 | 2022.10-1089-g528ae9bc6c-0ubuntu2 | vulnerable |
| Ubuntu | u-boot-nezha | 24.04 | 2024.01~rc1-190-g2e89b706f5-0ubuntu1 | vulnerable |
| Ubuntu | u-boot-nezha | 24.04 | 2024.01~rc1-190-g2e89b706f5-0ubuntu2 | vulnerable |
| Ubuntu | u-boot-nezha | 24.04 | 2024.01~rc1-190-g2e89b706f5-0ubuntu2.24.04.2 | vulnerable |
| Ubuntu | u-boot | 26.10 | 2025.10-0ubuntu2 | vulnerable |
| Ubuntu | u-boot | 26.10 | 2025.10-0ubuntu3 | vulnerable |
| Ubuntu | u-boot | 26.10 | 2025.10-0ubuntu4 | vulnerable |
| Ubuntu | u-boot | 26.10 | 2025.10-0ubuntu5 | vulnerable |
| Ubuntu | u-boot | 26.10 | 2025.10-0ubuntu6 | fixed |
| Ubuntu | u-boot | 26.04 | 2025.01-3ubuntu4 | vulnerable |
| Ubuntu | u-boot | 26.04 | 2025.10-0ubuntu1 | vulnerable |
| Ubuntu | u-boot | 26.04 | 2025.10-0ubuntu2 | vulnerable |
| Ubuntu | u-boot | 26.04 | 2025.10-0ubuntu2.1 | vulnerable |
| Ubuntu | u-boot | 26.04 | 2025.10-0ubuntu2.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | u-boot | source | sid | (unfixed) | not yet assigned | Not reported | [1149671] |
| Debian | u-boot | source | forky | (unfixed) | not yet assigned | Not reported | [1149671] |
| Debian | u-boot | source | trixie | (unfixed) | not yet assigned | Not reported | [1149671] |
| Debian | u-boot | source | bookworm | (unfixed) | not yet assigned | Not reported | [1149671] |
| Ubuntu | u-boot | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-amlogic | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-amlogic-binaries | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-asahi | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-exynos | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-exynos-binaries | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-imx | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-microchip | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-mvebu | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-omap | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-qcom | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-qemu | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-rockchip | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-rpi | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-sifive | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-sitara-binaries | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-starfive | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-stm32 | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-sunxi | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-tegra | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot-tools | deb | noble | 2025.10-0ubuntu0.24.04.4 | Not reported | Not reported | Not reported |
| Ubuntu | u-boot | deb | 24.04 | 2025.10-0ubuntu0.24.04.4 | Not reported | UBUNTU-CVE-2026-74225 | Not reported |
| Ubuntu | u-boot | deb | 26.10 | 2025.10-0ubuntu6 | Not reported | UBUNTU-CVE-2026-74225 | Not reported |
| Ubuntu | u-boot | deb | 26.04 | 2025.10-0ubuntu2.2 | Not reported | UBUNTU-CVE-2026-74225 | Not reported |
Notes
[trixie] u-boot: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [u-boot-amlogic]Affected
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
- [u-boot-mvebu]Affected
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
- [u-boot-qcom]Affected
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
- [u-boot-qemu]Affected
Source package: [u-boot]
Details (4)
2023.01+dfsg-2+deb12u3· all · bookwormAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· all · bookwormAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· all · bookworm-securityAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· all · bookworm-securityAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
- [u-boot-rockchip]Affected
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
- [u-boot-rpi]Affected
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
- [u-boot-sunxi]Affected
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
- [u-boot-tegra]Affected
Source package: [u-boot]
Details (2)
2023.01+dfsg-2+deb12u3· arm64 · bookwormAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
- [u-boot-tools]Affected
Source package: [u-boot]
Details (4)
2023.01+dfsg-2+deb12u3· amd64 · bookwormAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookwormAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· amd64 · bookworm-securityAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
2023.01+dfsg-2+deb12u3· arm64 · bookworm-securityAffected
nvd · u-boot · debian · bookworm; nvd · u-boot · debian · 12
[Debian 13 (Trixie)]
- [u-boot-amlogic-binaries]Affected
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieAffected
nvd · u-boot · debian · 13
- [u-boot-asahi]Affected
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieAffected
nvd · u-boot · debian · 13
- [u-boot-mvebu]Affected
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieAffected
nvd · u-boot · debian · 13
- [u-boot-qcom]Affected
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieAffected
nvd · u-boot · debian · 13
- [u-boot-qemu]Affected
Source package: [u-boot]
Details (2)
2025.01-3· all · trixieAffected
nvd · u-boot · debian · 13
2025.01-3· all · trixieAffected
nvd · u-boot · debian · 13
- [u-boot-rockchip]Affected
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieAffected
nvd · u-boot · debian · 13
- [u-boot-rpi]Affected
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieAffected
nvd · u-boot · debian · 13
- [u-boot-sitara-binaries]Affected
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieAffected
nvd · u-boot · debian · 13
- [u-boot-sunxi]Affected
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieAffected
nvd · u-boot · debian · 13
- [u-boot-tegra]Affected
Source package: [u-boot]
Details (1)
2025.01-3· arm64 · trixieAffected
nvd · u-boot · debian · 13
- [u-boot-tools]Affected
Source package: [u-boot]
Details (2)
2025.01-3· amd64 · trixieAffected
nvd · u-boot · debian · 13
2025.01-3· arm64 · trixieAffected
nvd · u-boot · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-74225]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-74225]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-74225]
- [https://security-tracker.debian.org/tracker/CVE-2026-74225]
- [https://ubuntu.com/security/notices/USN-8930-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3660.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Ubuntu Security Notices (USN)]