CVE-2025-55640

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Source
https://cve.org/CVERecord?id=CVE-2025-55640
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-55640.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-55640
Published
2026-10-16T00:00:00Z
Modified
2026-10-21T09:26:11Z
Summary
[none]
Details

A heap buffer overflow in the stbl_AddSize function (isomedia/stbl_write.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

Database specific 
{
    "cna_assigner":  "mitre",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55640.json"
}
References

Affected packages

Git / github.com/gpac/gpac

Affected ranges

Type
GIT
Repo
https://github.com/gpac/gpac
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
321624f28d19a413449fd1718d1eb59037f8f7fc
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "fixed":  "321624f28d19a413449fd1718d1eb59037f8f7fc"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

Other
abi-12
abi-12.*
abi-12.16
abi-12.17
abi-12.18
abi-12.19
abi-12.20
abi-12.21
abi-12.22
abi-12.23
testtag0.*
testtag0.1
v0.*
v0.5.2
v0.6.0
v0.9.0
v0.9.0-preview
v1.*
v1.0.0
v2.*
v2.0.0
v2.2.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-55640.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "173050117576937783087680476690713828908",
                "321962358390475945412582897095936474292",
                "25360390015556492300989204572202022436",
                "290482614255522189436199551278399062773",
                "106839334154377735443348489505650876855",
                "288841541708955062215094008502678439021",
                "202981330490573330392997351394644795740",
                "6362854727038321443850064689098302787",
                "88730852719863635599054872377562960355",
                "242765629827549139901135340206410826670",
                "213732732578493701697223595371972043749",
                "160316641480521031640114722711042586963",
                "75263467735910147779572476104180363478",
                "161591924172157257248048351290359754349",
                "135647737539782784511882755358170284093",
                "4257191824921991677170791776754866065"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2025-55640-08df8105",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/gpac/gpac/commit/321624f28d19a413449fd1718d1eb59037f8f7fc",
        "target":  {
            "file":  "src/isomedia/stbl_write.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "24986339875287698830066708598068481558",
            "length":  806
        },
        "id":  "CVE-2025-55640-6bbd852d",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/gpac/gpac/commit/321624f28d19a413449fd1718d1eb59037f8f7fc",
        "target":  {
            "file":  "src/isomedia/stbl_write.c",
            "function":  "stbl_SampleSizeAppend"
        }
    }
]
vanir_signatures_modified 
"2026-10-21T09:26:11Z"