CVE-2025-9187_CVE-2025-9187

9.8 / 10

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Memory safety bugs present in Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 142 and Thunderbird < 142.

Basic Information

ID CVE-2025-9187

Source mozilla

Published Aug 19, 2025 at 20:33

Modified Aug 20, 2025 at 15:18

Affected Product

Vendor Mozilla

Product Firefox

Version unspecified

Affected Versions Mozilla Firefox unspecified
Mozilla Thunderbird unspecified

CWE Classification

CWE-119

References

{
    "lastseen": "",
    "description": "Memory safety bugs present in Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 142 and Thunderbird < 142.",
    "published": "2025-08-19T20:33:57.516Z",
    "modified": "2025-08-20T15:18:17.512Z",
    "type": "cve",
    "title": "CVE-2025-9187",
    "source": "mozilla",
    "references": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1825621%2C1970079%2C1976736%2C1979072\nhttps://www.mozilla.org/security/advisories/mfsa2025-64/\nhttps://www.mozilla.org/security/advisories/mfsa2025-70/",
    "id": "CVE-2025-9187",
    "bulletinFamily": "",
    "cwe": [
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "Mozilla Firefox unspecified\nMozilla Thunderbird unspecified",
    "sourceHref": "",
    "cvss": {
        "score": 9.8,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
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            "baseScore": 0,
            "baseSeverity": "",
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            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Firefox",
    "version": "unspecified",
    "vendor": "Mozilla",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}