JLSEC-2025-103

Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2025/JLSEC-2025-103.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-103.json
JSON Data
https://api.osv.dev/v1/vulns/JLSEC-2025-103
Upstream
Published
2025-10-19T19:08:53.760Z
Modified
2025-11-06T23:02:37.131906Z
Summary
A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU vi...
Details

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 handleopenbrace in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.

Database specific
{
    "sources": [
        {
            "modified": "2024-11-21T04:52:10.573Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2019-9721",
            "id": "CVE-2019-9721",
            "imported": "2025-10-18T14:07:17.044Z",
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-9721",
            "published": "2019-03-12T09:29:00.577Z"
        }
    ],
    "license": "CC-BY-4.0"
}
References

Affected packages

Julia / FFMPEG_jll

Package

Name
FFMPEG_jll
Purl
pkg:julia/FFMPEG_jll?uuid=b22a6f82-2f65-5046-a5b2-351ab43fb4e5

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.1+0