CVE-2020-1892

Katalog CVE

CVSS 8.1 · High EPSS 1,1%

Kerentanan Out-of-bounds Read pada facebook hhvm. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

Insufficient boundary checks when decoding JSON in JSON_parser allows read access to out of bounds memory, potentially leading to information leak and 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

8.1 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/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 64,6% 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/dabd48caf74995e605f1700344f1ff4a5d83441d patch