CVE-2020-1888

Katalog CVE

CVSS 7.5 · High EPSS 1,1%

Kerentanan Out-of-bounds Read pada facebook hhvm. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

Insufficient boundary checks when decoding JSON in handleBackslash reads out of bounds memory, potentially leading to DOS. This issue affects HHVM 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versions between 4.33.0 and 4.38.0 (inclusive), versions between 4.9.0 and 4.32.0 (inclusive), and versions prior to 4.8.7.

Rincian

Terbit di NVD

3 Maret 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 65,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://hhvm.com/blog/2020/02/20/security-update.html advisory vendor
• https://github.com/facebook/hhvm/commit/b3679121bb3c7017ff04b4c08402ffff5cf59b13 patch