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Case File

CVE-2019-9721

MEDIUM · CVSS 6.5 EPSS 1.42% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-03-12 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2019-9721
Severity
MEDIUM
CVSS
6.5
EPSS
1.42%

Original NVD Description

A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU via a crafted video file in Matroska format, because handle_open_brace in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.