CVE-2021-21831

Katalog CVE

CVSS 8.8 · High EPSS 6,1%

Kerentanan Use After Free pada foxit pdf reader. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.3.37598. A specially crafted PDF document can trigger the reuse of previously freed memory, which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

Rincian

Terbit di NVD

5 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

6,1% peluang dieksploitasi; lebih tinggi dari 93,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1294 exploit · advisory pihak ketiga