CVE-2021-21842

Katalog CVE

CVSS 8.8 · High EPSS 1,7%

Kerentanan Integer Overflow to Buffer Overflow pada gpac, debian linux. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

An exploitable integer overflow vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an integer overflow when processing an atom using the 'ssix' FOURCC code, due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.

Rincian

Terbit di NVD

25 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-680: Integer Overflow to Buffer Overflow
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

EPSS (30 hari)

1,7% peluang dieksploitasi; lebih tinggi dari 76,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1297 exploit · advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4966 advisory pihak ketiga