CVE-2026-2889

A vulnerability was detected in CCExtractor up to 0.96.5. Affected is the function processmp4 in the library src/lib_ccx/mp4.c. Performing a manipulation results in use after free. The attack is only possible with local access. The exploit is now public and may be used. Upgrading to version 0.96.6 is able to address this issue. The patch is named fd7271bae238ccb3ae8a71304ea64f0886324925. You should upgrade the affected component.

Database specific

{
    "cna_assigner": "VulDB",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2889.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "0.96.0"
                },
                {
                    "last_affected": "0.96.0"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "cwe_ids": [
        "CWE-119",
        "CWE-416"
    ]
}

References

Affected packages

Git / github.com/ccextractor/ccextractor

Affected ranges

Type

GIT

Repo

https://github.com/ccextractor/ccextractor

Events

Introduced

f6e9d558388d58b86ca402b068f76bbd45c0daa9

Fixed

fd7271bae238ccb3ae8a71304ea64f0886324925

Fixed

185631dcb0217b4ad09d43009cb69f0593996a5d

Database specific

{
    "extracted_events": [
        {
            "introduced": "0.96.1"
        },
        {
            "last_affected": "0.96.1"
        },
        {
            "introduced": "0.96.2"
        },
        {
            "last_affected": "0.96.2"
        },
        {
            "introduced": "0.96.3"
        },
        {
            "last_affected": "0.96.3"
        },
        {
            "introduced": "0.96.4"
        },
        {
            "last_affected": "0.96.4"
        },
        {
            "introduced": "0.96.5"
        },
        {
            "last_affected": "0.96.5"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

0.*

0.96.1

0.96.2

0.96.3

0.96.4

0.96.5

v0.*

v0.96.1

v0.96.2

v0.96.3

v0.96.4

v0.96.5

Database specific

vanir_signatures

[
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "268084206463964796024015378500305838941",
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                "181555103938976803185625693980704197134",
                "13895809837220784386125091335733592582"
            ]
        },
        "id": "CVE-2026-2889-2da52f3c",
        "signature_type": "Line",
        "source": "https://github.com/ccextractor/ccextractor/commit/fd7271bae238ccb3ae8a71304ea64f0886324925",
        "target": {
            "file": "src/lib_ccx/mp4.c"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 9778.0,
            "function_hash": "168783320918762457692703000749359075553"
        },
        "id": "CVE-2026-2889-3dcf91e3",
        "signature_type": "Function",
        "source": "https://github.com/ccextractor/ccextractor/commit/fd7271bae238ccb3ae8a71304ea64f0886324925",
        "target": {
            "function": "parse_PMT",
            "file": "src/lib_ccx/ts_tables.c"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 9048.0,
            "function_hash": "319390203887814197306087676168967181488"
        },
        "id": "CVE-2026-2889-6643399d",
        "signature_type": "Function",
        "source": "https://github.com/ccextractor/ccextractor/commit/fd7271bae238ccb3ae8a71304ea64f0886324925",
        "target": {
            "function": "processmp4",
            "file": "src/lib_ccx/mp4.c"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 3574.0,
            "function_hash": "163437826467338751066847268261177864261"
        },
        "id": "CVE-2026-2889-a9c8aa4a",
        "signature_type": "Function",
        "source": "https://github.com/ccextractor/ccextractor/commit/fd7271bae238ccb3ae8a71304ea64f0886324925",
        "target": {
            "function": "parse_PAT",
            "file": "src/lib_ccx/ts_tables.c"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "186397457794567455341493973677993329934",
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                "72091544595478024960231427334144362229",
                "274910035117258086469502219878236509258",
                "98069193800936354371588285816871594953",
                "287258658584949710030799267683252424354",
                "322249709969136488743348381363505130157",
                "133971348316274134195358327798707233385",
                "192690021554753830910145047033638215929",
                "165996735762037891307360703542698719073",
                "20631365143687003979010250023609770440",
                "299941716532484618942222197046988800391",
                "140964611875614036063826884500367932259",
                "216120134842979986078832162294962308555"
            ]
        },
        "id": "CVE-2026-2889-bb458d24",
        "signature_type": "Line",
        "source": "https://github.com/ccextractor/ccextractor/commit/fd7271bae238ccb3ae8a71304ea64f0886324925",
        "target": {
            "file": "src/lib_ccx/ts_tables.c"
        }
    }
]

vanir_signatures_modified

"2026-08-07T21:53:35Z"

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2889.json"