CVE-2020-21041

Katalog CVE

CVSS 7.5 · High EPSS 2,1%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada ffmpeg, debian linux. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service

Rincian

Terbit di NVD

24 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

2,1% peluang dieksploitasi; lebih tinggi dari 80,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://trac.ffmpeg.org/ticket/7989 exploit · patch · advisory vendor
• https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html mailing list · advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4990 advisory pihak ketiga