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Status published
Medium
CVE-2019-9721
A denial of service in the subtitle decoder in FFmpeg...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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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
ffmpeg
View all reports →Affected Software
ffmpeg, ubuntu linux
Vulnerable Versions:
3.2, 4.1, 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.