P5Verified

CVE-2021-24032: zstandard from 1.4.1 (inclusive), before 1.4.9 (exclusive); +1 more affected products

CVE-2021-24032. CVSS 3.1 base score 4.7 (MEDIUM, NVD). EPSS 0.00348 (percentile 0.26362), scored 2026-10-08.

Affected technology

zstandard · from 1.4.1 (inclusive), before 1.4.9 (exclusive)
facebook

Zstandard · 1.4.1 to before unspecified
Facebook

Description’s affected range: prior to v1.4.9

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

NVD’s CVSS 3.1 assessment (base score 4.7/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-09 03:15:34.412227+00:00

CWE: CWE-276, CWE-277
CCR priority: 18.9 /100 (P5)
CVSS 3.1: 4.7 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N · NVD
EPSS: 0.00348 · percentile 0.26362 · 2026-10-08
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-09 03:17:07.463462+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-09 03:13:32.966430+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2021-24032.html