CVE Vulnerability

CVE-2019-9717

In Libav 12.3, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c has a complex format argument to sscanf.

7.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

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://github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L90 Exploit Third Party Advisory
https://lgtm.com/security/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*
Information

Published : 2019-09-19 09:15

Updated : 2021-07-21 11:39

NVD link : CVE-2019-9717

Mitre link : CVE-2019-9717

Products Affected
No products.
CWE
CWE-400