CVE-2026-71973

Katalog CVE

CVSS 5.2 · Medium EPSS 0,19%

Kerentanan Integer Overflow or Wraparound. Skor CVSS 3.1 5.2 (Medium) menurut vulncheck.com.

Deskripsi (NVD)

U-Boot before 2026.10-rc4 contains an integer overflow vulnerability in sqfs_read_directory_table() function when allocating the directory table buffer. Attackers can supply a crafted SquashFS image with an attacker-controlled superblock metablks_count value that causes heap buffer under-allocation and out-of-bounds writes, corrupting heap memory and crashing the bootloader.

Rincian

Terbit di NVD

29 September 2026

Terakhir diubah

2 Oktober 2026

Status NVD

Awaiting Analysis

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-190: Integer Overflow or Wraparound

EPSS (30 hari)

0,19% peluang dieksploitasi; lebih tinggi dari 7,5% 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/fs/squashfs/sqfs.c#L814
• https://github.com/u-boot/u-boot/commit/561ae28cb56a082cfa90c1c421c4955bc215470b
• https://www.vulncheck.com/advisories/u-boot-before-2026.10-rc4-integer-overflow-in-squashfs-directory-table-al...