CVE-2025-65503
Full vulnerability record from the local CVENow database.
Description
Use after free in endpoint destructors in Redboltz async_mqtt 10.2.5 allows local users to cause a denial of service via triggering SSL initialization failure that results in incorrect destruction order between io_context and endpoint objects.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-11-24 14:15:48.253000
Last modified
2026-11-05 13:10:00.180000
View original CVE JSON
{
"id": "CVE-2025-65503",
"sourceIdentifier": "[email protected]",
"published": "2025-11-24T14:15:48.253",
"lastModified": "2026-11-05T13:10:00.180",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Use after free in endpoint destructors in Redboltz async_mqtt 10.2.5 allows local users to cause a denial of service via triggering SSL initialization failure that results in incorrect destruction order between io_context and endpoint objects."
},
{
"lang": "es",
"value": "Uso después de liberación en destructores de endpoint en Redboltz async_mqtt 10.2.5 permite a usuarios locales causar una denegación de servicio mediante la activación de un fallo de inicialización SSL que resulta en un orden de destrucción incorrecto entre objetos io_context y endpoint."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"version": "n/a",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
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"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
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],
"ssvcV203": [
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"timestamp": "2025-11-24T18:20:25.724060Z",
"id": "CVE-2025-65503",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
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{
"technicalImpact": "partial"
}
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"role": "CISA Coordinator",
"version": "2.0.3"
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"weaknesses": [
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
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"lang": "en",
"value": "CWE-416"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
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"criteria": "cpe:2.3:a:redboltz:async_mqtt:10.2.5:*:*:*:*:*:*:*",
"matchCriteriaId": "9DFD805B-85C3-494C-B95F-87BFFCDB762A"
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],
"references": [
{
"url": "https://github.com/redboltz/async_mqtt/issues/436",
"source": "[email protected]",
"tags": [
"Exploit",
"Issue Tracking",
"Patch"
]
},
{
"url": "https://github.com/redboltz/async_mqtt/pull/437",
"source": "[email protected]",
"tags": [
"Issue Tracking",
"Patch"
]
}
]
}