CVE-2026-74222

Katalog CVE

CVSS 8.2 · High EPSS 0,30%

Kerentanan Use After Free. Skor CVSS 3.1 8.2 (High) menurut vulncheck.com.

Deskripsi (NVD)

U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpc_recv_cb() function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERR_BUF instead of ERR_ABRT, causing the TCP input path to access released memory and crash the bootloader.

Rincian

Terbit di NVD

29 September 2026

Terakhir diubah

2 Oktober 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-416: Use After Free

EPSS (30 hari)

0,30% peluang dieksploitasi; lebih tinggi dari 21,3% 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/lwip/wget.c#L194
• https://github.com/u-boot/u-boot/commit/2d94618a58aeb7630f18eee33419ce48d0fd3616
• https://www.vulncheck.com/advisories/u-boot-before-2026.10-rc5-use-after-free-in-lwip-wget-receive-callback