CVE-2026-74225

Katalog CVE

CVSS 7.1 · High EPSS 0,23%

Kerentanan Out-of-bounds Write. Skor CVSS 3.1 7.1 (High) menurut vulncheck.com.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

29 September 2026

Terakhir diubah

30 September 2026

Status NVD

Awaiting Analysis

CVSS 3.1

7.1 (High), sumber vulncheck.com
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,23% peluang dieksploitasi; lebih tinggi dari 13,0% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/u-boot/u-boot
• https://github.com/u-boot/u-boot/blob/v2026.07/net/dhcpv6.c#L304
• https://github.com/u-boot/u-boot/commit/20209a62bc8565fc1e040882bc03c71ff0d73076
• https://www.vulncheck.com/advisories/u-boot-before-2026.10-rc5-out-of-bounds-write-via-dhcpv6