FKIE_CVE-2025-9181
Vulnerability from fkie_nvd - Published: 2025-08-19 21:15 - Updated: 2025-11-03 19:16
Severity ?
Summary
Uninitialized memory in the JavaScript Engine component. This vulnerability affects 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:*:*:*",
"matchCriteriaId": "BAD1D73A-EC78-41F8-9FE8-4081A9FCE716",
"versionEndExcluding": "128.14.0",
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"cveTags": [],
"descriptions": [
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"lang": "en",
"value": "Uninitialized memory in the JavaScript Engine component. This vulnerability affects Firefox \u003c 142, Firefox ESR \u003c 128.14, Firefox ESR \u003c 140.2, Thunderbird \u003c 142, Thunderbird \u003c 128.14, and Thunderbird \u003c 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": "2025-11-03T19:16:16.870",
"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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"impactScore": 3.6,
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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": "security@mozilla.org",
"tags": [
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"url": "https://www.mozilla.org/security/advisories/mfsa2025-64/"
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"url": "https://www.mozilla.org/security/advisories/mfsa2025-70/"
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"url": "https://www.mozilla.org/security/advisories/mfsa2025-72/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00016.html"
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"type": "Secondary"
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}
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Sightings
| Author | Source | Type | Date |
|---|
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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