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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-03-12T06:00:00

Updated: 2024-08-04T22:01:53.919Z

Reserved: 2019-03-12T00:00:00

Link: CVE-2019-9721

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2019-03-12T09:29:00.577

Modified: 2022-10-07T01:57:59.993

Link: CVE-2019-9721

cve-icon Redhat

Severity : Low

Publid Date: 2019-03-12T00:00:00Z

Links: CVE-2019-9721 - Bugzilla