CVE-2021-27433

Katalog CVE

CVSS 9.8 · Critical EPSS 1,8%

Kerentanan Integer Overflow or Wraparound pada arm mbed ualloc. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

ARM mbed-ualloc memory library version 1.3.0 is vulnerable to integer wrap-around in function mbed_krbs, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Rincian

Terbit di NVD

3 Mei 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-190: Integer Overflow or Wraparound

EPSS (30 hari)

1,8% peluang dieksploitasi; lebih tinggi dari 77,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/ARMmbed/mbed-os/pull/14408 issue tracking · patch · advisory pihak ketiga
• https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 advisory pihak ketiga · pemerintah AS