CVE-2021-24036

Katalog CVE

CVSS 9.8 · Critical EPSS 3,3%

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

Deskripsi (NVD)

Passing an attacker controlled size when creating an IOBuf could cause integer overflow, leading to an out of bounds write on the heap with the possibility of remote code execution. This issue affects versions of folly prior to v2021.07.22.00. This issue affects HHVM versions prior to 4.80.5, all versions between 4.81.0 and 4.102.1, all versions between 4.103.0 and 4.113.0, and versions 4.114.0, 4.115.0, 4.116.0, 4.117.0, 4.118.0 and 4.118.1.

Rincian

Terbit di NVD

23 Juli 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-190: Integer Overflow or Wraparound

EPSS (30 hari)

3,3% peluang dieksploitasi; lebih tinggi dari 88,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://hhvm.com/blog/2021/07/20/security-update.html product · advisory vendor
• https://www.facebook.com/security/advisories/cve-2021-24036 advisory vendor
• https://github.com/facebook/folly/commit/4f304af1411e68851bdd00ef6140e9de4616f7d3 patch · advisory pihak ketiga