CVE-2020-13904

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-13904
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13904.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-13904
Downstream
Related
Published
2020-06-07T19:15:09Z
Modified
2025-10-14T17:34:51.168416Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parseplaylist in libavformat/hls.c frees a pointer, and later that pointer is accessed in avprobeinputformat3 in libavformat/format.c.

References

Affected packages

Git / git.ffmpeg.org/ffmpeg.git

Affected ranges

Type
GIT
Repo
https://git.ffmpeg.org/ffmpeg.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Type
GIT
Repo
https://github.com/ffmpeg/ffmpeg
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
6959358683c7533f586c07a766acc5fe9544d8b2

Affected versions

Other

N

n0.*

n0.11-dev
n0.12-dev
n0.8

n1.*

n1.1-dev
n1.2-dev
n1.3-dev

n2.*

n2.0
n2.1-dev
n2.2-dev
n2.3-dev
n2.4-dev
n2.5-dev
n2.6-dev
n2.7-dev
n2.8
n2.8-dev
n2.8.1
n2.8.10
n2.8.11
n2.8.12
n2.8.13
n2.8.14
n2.8.15
n2.8.16
n2.8.2
n2.8.3
n2.8.4
n2.8.5
n2.8.6
n2.8.7
n2.8.8
n2.8.9

Database specific 

{
    "vanir_signatures": [
        {
            "signature_version": "v1",
            "target": {
                "file": "libavformat/hls.c"
            },
            "signature_type": "Line",
            "source": "https://github.com/ffmpeg/ffmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2",
            "deprecated": false,
            "digest": {
                "line_hashes": [
                    "158144811077034995109933837677768601857",
                    "281751093908803107971940014393508807726",
                    "240764462031438200492845385032705040109",
                    "15703913043383878175200160282698241320",
                    "138080608107875226115977774548120949879",
                    "259048102838479733394805058517030239279",
                    "17084527969274049166290416022132557131",
                    "269990059958938381327368365588722984632"
                ],
                "threshold": 0.9
            },
            "id": "CVE-2020-13904-2b8821e2"
        },
        {
            "signature_version": "v1",
            "target": {
                "function": "parse_playlist",
                "file": "libavformat/hls.c"
            },
            "signature_type": "Function",
            "source": "https://github.com/ffmpeg/ffmpeg/commit/6959358683c7533f586c07a766acc5fe9544d8b2",
            "deprecated": false,
            "digest": {
                "length": 4983.0,
                "function_hash": "45061495392761575669141487341416533816"
            },
            "id": "CVE-2020-13904-f5815e55"
        }
    ]
}