CVE Vulnerability

CVE-2019-9721

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/894995c41e0795c7a44f81adc4838dedc3932e65 Mailing List Patch
http://www.securityfocus.com/bid/107384 Broken Link
https://usn.ubuntu.com/3967-1/ Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/273f2755ce8635d42da3cde0eeba15b2e7842774 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:ffmpeg:ffmpeg:3.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:4.1:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
Information

Published : 2019-03-12 09:29

Updated : 2022-10-07 01:57

NVD link : CVE-2019-9721

Mitre link : CVE-2019-9721

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read