CVE-2025-11719_CVE-2025-11719

9.8 / 10

CRITICAL

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

Description

Starting in Firefox 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability affects Firefox < 144 and Thunderbird < 144.

Basic Information

ID CVE-2025-11719

Source mozilla

Published Oct 14, 2025 at 12:27

Modified Oct 15, 2025 at 13:24

Affected Product

Vendor Mozilla

Product Firefox

Version unspecified

Affected Versions Mozilla Firefox unspecified
Mozilla Thunderbird unspecified

CWE Classification

CWE-416

References

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    "lastseen": "",
    "description": "Starting in Firefox 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability affects Firefox < 144 and Thunderbird < 144.",
    "published": "2025-10-14T12:27:36.841Z",
    "modified": "2025-10-15T13:24:04.863Z",
    "type": "cve",
    "title": "CVE-2025-11719",
    "source": "mozilla",
    "references": "https://bugzilla.mozilla.org/show_bug.cgi?id=1991950\nhttps://www.mozilla.org/security/advisories/mfsa2025-81/\nhttps://www.mozilla.org/security/advisories/mfsa2025-84/",
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    "sourceData": "Mozilla Firefox unspecified\nMozilla Thunderbird unspecified",
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    "cvss": {
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        "cvssV3": {
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    "href": "",
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    "product": "Firefox",
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}