CVE-2020-1916

Katalog CVE

CVSS 9.8 · Critical EPSS 1,4%

Kerentanan Heap-based Buffer Overflow pada facebook hhvm. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

An incorrect size calculation in ldap_escape may lead to an integer overflow when overly long input is passed in, resulting in an out-of-bounds write. This issue affects HHVM prior to 4.56.2, all versions between 4.57.0 and 4.78.0, 4.79.0, 4.80.0, 4.81.0, 4.82.0, 4.83.0.

Rincian

Terbit di NVD

10 Maret 2021

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-122: Heap-based Buffer Overflow
CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,4% peluang dieksploitasi; lebih tinggi dari 71,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://hhvm.com/blog/2020/11/12/security-update.html release notes · advisory vendor
• https://github.com/facebook/hhvm/commit/abe0b29e4d3a610f9bc920b8be4ad8403364c2d4 patch · advisory pihak ketiga