CVE-2018-13305

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Source
https://nvd.nist.gov/vuln/detail/CVE-2018-13305
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-13305.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-13305
Downstream
Related
Published
2018-07-05T17:29:00Z
Modified
2025-10-27T04:04:09.072107Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

In FFmpeg 4.0.1, due to a missing check for negative values of the mquant variable, the vc1putblocksclamped function in libavcodec/vc1block.c may trigger an out-of-array access while converting a crafted AVI file to MPEG4, leading to an information disclosure or a denial of service.

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

Git / github.com/ffmpeg/ffmpeg

Affected ranges

Type
GIT
Repo
https://github.com/ffmpeg/ffmpeg
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
d08d4a8c7387e758d439b0592782e4cfa2b4d6a4

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-dev
n2.9-dev

n3.*

n3.1-dev
n3.2-dev
n3.3-dev
n3.4-dev
n3.5-dev

n4.*

n4.1-dev

Database specific

vanir_signatures

[
    {
        "deprecated": false,
        "id": "CVE-2018-13305-51b88888",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "315308842985963567160504347824073081058",
                "112614877628104946103637232229328740279",
                "51526975697305092278210617899140764129",
                "61832793806366803356970899084193080255"
            ]
        },
        "target": {
            "file": "libavcodec/vc1_block.c"
        },
        "source": "https://github.com/ffmpeg/ffmpeg/commit/d08d4a8c7387e758d439b0592782e4cfa2b4d6a4",
        "signature_type": "Line"
    }
]