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

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

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

Updated: 2021-01-04T19:41:49

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


Link: CVE-2019-9721

JSON object: View

cve-icon NVD Information

Status : Analyzed

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

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


Link: CVE-2019-9721

JSON object: View

cve-icon Redhat Information

No data.

CWE