Denial-of-service in the Libraries component in NSS_CVE-2026-4727

7.5 / 10

HIGH

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

Description

Denial-of-service in the Libraries component in NSS. This vulnerability affects Firefox < 149 and Thunderbird < 149.

Basic Information

ID CVE-2026-4727

Source mozilla

Published Mar 24, 2026 at 12:30

Modified Mar 25, 2026 at 18:07

Affected Product

Vendor Mozilla

Product Firefox

Version unspecified

Affected Versions Mozilla Firefox unspecified
Mozilla Thunderbird unspecified

CWE Classification

CWE-400

References

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    "lastseen": "",
    "description": "Denial-of-service in the Libraries component in NSS. This vulnerability affects Firefox < 149 and Thunderbird < 149.",
    "published": "2026-03-24T12:30:41.171Z",
    "modified": "2026-03-25T18:07:52.904Z",
    "type": "cve",
    "title": "Denial-of-service in the Libraries component in NSS",
    "source": "mozilla",
    "references": "https://bugzilla.mozilla.org/show_bug.cgi?id=2008112\nhttps://www.mozilla.org/security/advisories/mfsa2026-20/\nhttps://www.mozilla.org/security/advisories/mfsa2026-23/",
    "id": "CVE-2026-4727",
    "bulletinFamily": "",
    "cwe": [
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    "cvelist": null,
    "sourceData": "Mozilla Firefox unspecified\nMozilla Thunderbird unspecified",
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    "cvss": {
        "score": 7.5,
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        "version": "3.1"
    },
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        "privilegesRequired": "",
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        "availabilityImpact": "",
        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
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    "product": "Firefox",
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    "ai_score": 0
}