CVE-2018-13303

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Source
https://nvd.nist.gov/vuln/detail/CVE-2018-13303
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-13303.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-13303
Downstream
Published
2018-07-05T17:29:00Z
Modified
2025-10-13T07:21:55.952356Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In FFmpeg 4.0.1, a missing check for failure of a call to initgetbits8() in the avprivac3parseheader function in libavcodec/ac3parser.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to 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
Last affected
e049f7c24fc6aa5fc925f860e2ad940a75cfd84f
Type
GIT
Repo
https://github.com/ffmpeg/ffmpeg
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
00e8181bd97c834fe60751b0c511d4bb97875f78

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.*

n4.0
n4.0.1
n4.1-dev

Database specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "length": 375.0,
                "function_hash": "142391142906413682480041211024204642092"
            },
            "target": {
                "file": "libavcodec/ac3_parser.c",
                "function": "avpriv_ac3_parse_header"
            },
            "deprecated": false,
            "source": "https://github.com/ffmpeg/ffmpeg/commit/00e8181bd97c834fe60751b0c511d4bb97875f78",
            "signature_version": "v1",
            "id": "CVE-2018-13303-44c73212",
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "212924937453151307161016188838557761501",
                    "43197743373531770406142050929992758697",
                    "336388221455771699703553060708214641660",
                    "184902950246473843971472263661582995389"
                ]
            },
            "target": {
                "file": "libavcodec/ac3_parser.c"
            },
            "deprecated": false,
            "source": "https://github.com/ffmpeg/ffmpeg/commit/00e8181bd97c834fe60751b0c511d4bb97875f78",
            "signature_version": "v1",
            "id": "CVE-2018-13303-a1c2a195",
            "signature_type": "Line"
        }
    ]
}