CVE-2020-22020

Katalog CVE

CVSS 6.5 · Medium EPSS 1,5%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada ffmpeg, debian linux. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.c, which could let a remote malicious user cause a Denial of Service.

Rincian

Terbit di NVD

26 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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)

1,5% peluang dieksploitasi; lebih tinggi dari 73,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://trac.ffmpeg.org/ticket/8239 exploit · issue tracking · 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
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=ce5274c1385d55892a692998923802023526b765