Executive Summary

Informations
Name CVE-2019-9721 First vendor Publication 2019-03-12
Vendor Cve Last vendor Modification 2022-10-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9721

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2
Os 3

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/107384
MISC https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/894995c41e0795c7a44f81adc4838...
https://github.com/FFmpeg/FFmpeg/commit/273f2755ce8635d42da3cde0eeba15b2e7842774
UBUNTU https://usn.ubuntu.com/3967-1/

Alert History

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Date Informations
2022-10-07 09:27:48
  • Multiple Updates
2021-05-04 13:43:39
  • Multiple Updates
2021-04-22 02:55:35
  • Multiple Updates
2021-01-05 00:22:45
  • Multiple Updates
2020-05-23 02:34:24
  • Multiple Updates
2019-05-07 05:19:07
  • Multiple Updates
2019-03-14 17:19:30
  • Multiple Updates
2019-03-14 13:19:47
  • Multiple Updates
2019-03-12 17:19:35
  • Multiple Updates
2019-03-12 13:19:09
  • First insertion