AUGUST 4, 2026
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Case File

CVE-2020-21688

HIGH · CVSS 8.8 EPSS 1.72%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-10 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. See the original NVD description below for full technical details.

CVE
CVE-2020-21688
Severity
HIGH
CVSS
8.8
EPSS
1.72%

Original NVD Description

A heap-use-after-free in the av_freep function in libavutil/mem.c of FFmpeg 4.2 allows attackers to execute arbitrary code.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-64835 HIGH CVE-2026-64834 HIGH CVE-2026-64833 HIGH CVE-2026-64832 HIGH CVE-2026-64831 HIGH CVE-2026-64830 HIGH