CVE Vulnerability

CVE-2019-9718

In FFmpeg 3.2 and 4.1, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because ff_htmlmarkup_to_ass 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/1f00c97bc3475c477f3c468cf2d924d5761d0982 Patch Third Party Advisory
http://www.securityfocus.com/bid/107382 Broken Link
https://usn.ubuntu.com/3967-1/ Third Party Advisory
https://seclists.org/bugtraq/2019/May/60 Mailing List Third Party Advisory
https://www.debian.org/security/2019/dsa-4449 Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/23ccf3cabb4baf6e8af4b1af3fcc59c904736f21 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:debian:debian_linux:9.0:*:*:*:*:*:*:*
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 02:15

NVD link : CVE-2019-9718

Mitre link : CVE-2019-9718

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read