CVE-2021-34833

Katalog CVE

CVSS 7.8 · High EPSS 95,7%

Kerentanan Use After Free pada foxit pdf reader, foxitsoftware pdf editor. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14023.

Rincian

Terbit di NVD

4 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.8 (High), sumber NVD
CVSS:3.1/AV:L/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)

95,7% peluang dieksploitasi; lebih tinggi dari 99,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.foxit.com/support/security-bulletins.html advisory vendor
• https://www.zerodayinitiative.com/advisories/ZDI-21-915/ advisory pihak ketiga · vdb entry