FKIE_CVE-2025-9181
Vulnerability from fkie_nvd - Published: 2025-08-19 21:15 - Updated: 2026-04-13 15:17
Severity ?
Summary
Uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 142, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| mozilla | firefox | * | |
| mozilla | firefox | * | |
| mozilla | firefox | * | |
| mozilla | thunderbird | * | |
| mozilla | thunderbird | * | |
| mozilla | thunderbird | * |
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"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
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"value": "Uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 142, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2."
},
{
"lang": "es",
"value": "Memoria sin inicializar en el componente JavaScript Engine. Esta vulnerabilidad afecta a Firefox \u0026lt; 142, Firefox ESR \u0026lt; 128.14, Firefox ESR \u0026lt; 140.2, Thunderbird \u0026lt; 142, Thunderbird \u0026lt; 128.14 y Thunderbird \u0026lt; 140.2."
}
],
"id": "CVE-2025-9181",
"lastModified": "2026-04-13T15:17:13.777",
"metrics": {
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
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"published": "2025-08-19T21:15:30.520",
"references": [
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"source": "security@mozilla.org",
"tags": [
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1977130"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00016.html"
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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