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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

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

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/894995c41e0795c7a44f81adc4838dedc3932e65	Mailing List Patch Third Party Advisory
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

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ffmpeg:ffmpeg:3.2:::::::*
	cpe:2.3:a:ffmpeg:ffmpeg:4.1:::::::*

Configuration 2 (hide)

OR	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 02:29

Updated : 2022-10-06 18:57

NVD link : CVE-2019-9721

Mitre link : CVE-2019-9721

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

canonical

ubuntu_linux

ffmpeg

ffmpeg

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