CVE-2020-14163

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Source
https://cve.org/CVERecord?id=CVE-2020-14163
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14163.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-14163
Published
2020-06-15T21:15:10.553Z
Modified
2026-04-11T12:39:56.610688Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in ecma/operations/ecma-container-object.c in JerryScript 2.2.0. Operations with key/value pairs did not consider the case where garbage collection is triggered after the key operation but before the value operation, as demonstrated by improper read access to memory in ecmagcsetobjectvisited in ecma/base/ecma-gc.c.

References

Affected packages

Git / github.com/jerryscript-project/jerryscript

Affected ranges

Type
GIT
Repo
https://github.com/jerryscript-project/jerryscript
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
5fdeb7c1d68e8c5209e186e1760bc703a723d588
Fixed
c2b662170245a16f46ce02eae68815c325d99821
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.2.0"
        }
    ]
}

Affected versions

v2.*
v2.0
v2.1.0
v2.2.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14163.json"
vanir_signatures_modified 
"2026-04-11T12:39:56Z"
vanir_signatures 
[
    {
        "deprecated": false,
        "target": {
            "file": "jerry-core/ecma/operations/ecma-container-object.c"
        },
        "signature_type": "Line",
        "digest": {
            "line_hashes": [
                "25465514740708979420224665403034416635",
                "320576600380106644655582760555613389848",
                "244450852550685865976403244806254405722",
                "7204265613907957485970655669963212200",
                "210264926459118391535518939351240118780",
                "187499556459470564402424983597308093757",
                "110179250577828944811860284723004611515"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "source": "https://github.com/jerryscript-project/jerryscript/commit/c2b662170245a16f46ce02eae68815c325d99821",
        "id": "CVE-2020-14163-ba7c1e0a"
    },
    {
        "deprecated": false,
        "target": {
            "file": "jerry-core/ecma/operations/ecma-container-object.c",
            "function": "ecma_op_internal_buffer_append"
        },
        "signature_type": "Function",
        "digest": {
            "function_hash": "45735897783713569161299970595128115998",
            "length": 328.0
        },
        "signature_version": "v1",
        "source": "https://github.com/jerryscript-project/jerryscript/commit/c2b662170245a16f46ce02eae68815c325d99821",
        "id": "CVE-2020-14163-cd4be752"
    }
]