CVE-2026-52296

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Source
https://cve.org/CVERecord?id=CVE-2026-52296
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52296.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-52296
Downstream
Published
2026-09-13T00:00:00Z
Modified
2026-09-15T08:11:00Z
Severity
  • 2.9 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

FFmpeg before 9.0 has an out-of-bounds read because of missing required padding in WMA extradata allocation paths in libavcodec/wmaenc.c.

Database specific 
{
    "cna_assigner": "mitre",
    "cwe_ids": [
        "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52296.json"
}
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
Fixed
d32b387f2b0a484599d4587d651891f0c63c4238
Fixed
23227a444de4a8f7696f46660cdd044b460f7e47
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "9.0"
        }
    ],
    "source": [
        "DESCRIPTION",
        "REFERENCES"
    ]
}

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
n4.2-dev
n4.3-dev
n4.4-dev
n4.5-dev
n5.*
n5.1-dev
n5.2-dev
n6.*
n6.1-dev
n6.2-dev
n7.*
n7.1-dev
n7.2-dev
n8.*
n8.1-dev
n8.2-dev

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52296.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "function_hash": "201557290422126632786232664707981504883",
            "length": 2008
        },
        "id": "CVE-2026-52296-b092ce39",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://git.ffmpeg.org/ffmpeg.git@23227a444de4a8f7696f46660cdd044b460f7e47",
        "target": {
            "file": "libavcodec/wmaenc.c",
            "function": "encode_init"
        }
    },
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            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-52296-b5e2dfa9",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://git.ffmpeg.org/ffmpeg.git@23227a444de4a8f7696f46660cdd044b460f7e47",
        "target": {
            "file": "libavcodec/wmaenc.c"
        }
    },
    {
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        },
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        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://git.ffmpeg.org/ffmpeg.git@d32b387f2b0a484599d4587d651891f0c63c4238",
        "target": {
            "file": "libavformat/rawutils.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "95585342688571589449512382820310933372",
            "length": 1096
        },
        "id": "CVE-2026-52296-bfd07778",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://git.ffmpeg.org/ffmpeg.git@d32b387f2b0a484599d4587d651891f0c63c4238",
        "target": {
            "file": "libavformat/rawutils.c",
            "function": "ff_reshuffle_raw_rgb"
        }
    }
]
vanir_signatures_modified 
"2026-09-15T08:11:00Z"