CVE-2026-71971

Katalog CVE

CVSS 8.2 · High EPSS 0,38%

Kerentanan Out-of-bounds Write. Skor CVSS 3.1 8.2 (High) menurut vulncheck.com.

Deskripsi (NVD)

U-Boot before 2026.10-rc3 with CONFIG_IP_DEFRAG enabled contains an out-of-bounds write vulnerability in the __net_defragment() function in net/net.c. Remote attackers can send a crafted IP fragment with non-zero offset and More-Fragments flag set during netboot to corrupt adjacent memory and crash the bootloader.

Rincian

Terbit di NVD

29 September 2026

Terakhir diubah

30 September 2026

Status NVD

Awaiting Analysis

CVSS 3.1

8.2 (High), sumber vulncheck.com
CVSS:3.1/AV:N/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)

0,38% peluang dieksploitasi; lebih tinggi dari 29,6% 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/net.c#L975
• https://github.com/u-boot/u-boot/commit/04ca915d5bf39dda5d1bce62d04d2b59d293c5b9
• https://www.vulncheck.com/advisories/u-boot-before-2026.10-rc3-out-of-bounds-write-in-ip-fragment-reassembly