CVE-2019-9718 - CVE House
Back to Database
Status published Medium CVE-2019-9718

In FFmpeg 3.2 and 4.1, a denial of service in...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2019-9718

Credits & Attribution

No credits recorded in the NVD database.

References

More from ffmpeg

View All →
CVE-2022-48434
libavcodec/pthread_frame.c in FFmpeg before 5.1.2, as used in VLC and...
Unknown 0
CVE-2021-38291
FFmpeg version (git commit de8e6e67e7523e48bb27ac224a0b446df05e1640) suffers from a an assertion...
High 7.5
CVE-2021-38171
adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the...
Critical 9.8
CVE-2021-38114
libavcodec/dnxhddec.c in FFmpeg 4.4 does not check the return value...
Medium 5.5
CVE-2021-38094
Integer Overflow vulnerability in function filter_sobel in libavfilter/vf_convolution.c in Ffmpeg...
High 8.8

Affected Vendor

Affected Software

ffmpeg, debian linux, ubuntu linux
Vulnerable Versions:
3.2, 4.1, 9.0, 18.04, 18.10, 19.04

Timeline

Official Publish: March 12th, 2019
Last Modified: August 4th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.