CVE-2025-46688

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Source
https://cve.org/CVERecord?id=CVE-2025-46688
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-46688.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-46688
Downstream
Published
2025-04-27T00:00:00Z
Modified
2026-07-10T20:51:52.162193Z
Severity
  • 5.6 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L CVSS Calculator
Summary
[none]
Details

quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected.

Database specific 
{
    "cna_assigner": "mitre",
    "cwe_ids": [
        "CWE-131"
    ],
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "fixed": "2025-04-26"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "fixed": "2025-04-26"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "extracted_events": [
                {
                    "fixed": "2025-04-26"
                }
            ],
            "source": "DESCRIPTION"
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/46xxx/CVE-2025-46688.json"
}
References

Affected packages

Git / github.com/bellard/quickjs

Affected ranges

Type
GIT
Repo
https://github.com/bellard/quickjs
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a
Database specific 
{
    "source": "REFERENCES"
}
Type
GIT
Repo
https://github.com/quickjs-ng/quickjs
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.9.0"
        }
    ],
    "cpe": "cpe:2.3:a:quickjs-ng:quickjs:*:*:*:*:*:*:*:*",
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

v0.*
v0.1.0
v0.2.0
v0.3.0
v0.4.0
v0.4.1
v0.5.0
v0.6.0
v0.6.1
v0.7.0
v0.8.0
v0.9.0

Database specific

vanir_signatures_modified 
"2026-07-10T20:51:52Z"
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-46688.json"
vanir_signatures 
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        "signature_type": "Function",
        "target": {
            "file": "quickjs.c",
            "function": "JS_ReadString"
        },
        "deprecated": false,
        "digest": {
            "length": 811.0,
            "function_hash": "142692094675163766248626593700788711688"
        },
        "id": "CVE-2025-46688-044409f0",
        "source": "https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a",
        "signature_version": "v1"
    },
    {
        "signature_type": "Function",
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            "function": "JS_ReadBigInt"
        },
        "deprecated": false,
        "digest": {
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            "function_hash": "336496557054134187046122969882429829436"
        },
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        "source": "https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a",
        "signature_version": "v1"
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        "deprecated": false,
        "digest": {
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            "function_hash": "270962480617078350710858187892553615935"
        },
        "id": "CVE-2025-46688-21a8c8c7",
        "source": "https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465",
        "signature_version": "v1"
    },
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        },
        "deprecated": false,
        "digest": {
            "length": 1045.0,
            "function_hash": "257371793794463417891731969341144570958"
        },
        "id": "CVE-2025-46688-422349d2",
        "source": "https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465",
        "signature_version": "v1"
    },
    {
        "signature_type": "Line",
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            "threshold": 0.9
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        "id": "CVE-2025-46688-5c4385fc",
        "source": "https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465",
        "signature_version": "v1"
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    {
        "signature_type": "Line",
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        "deprecated": false,
        "digest": {
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        "id": "CVE-2025-46688-a60cba44",
        "source": "https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a",
        "signature_version": "v1"
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]