Memory safety bug fixed in Thunderbird 152_CVE-2026-12290

8.1 / 10

HIGH

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

Description

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Basic Information

ID CVE-2026-12290

Source mozilla

Published Jun 16, 2026 at 11:52

Modified Jun 17, 2026 at 13:48

Affected Product

Vendor Mozilla

Product Firefox

Version 115.37

CWE Classification

CWE-119

References

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    "lastseen": "",
    "description": "Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.",
    "published": "2026-06-16T11:52:23.998Z",
    "modified": "2026-06-17T13:48:25.320Z",
    "type": "cve",
    "title": "Memory safety bug fixed in Thunderbird 152",
    "source": "mozilla",
    "references": "https://bugzilla.mozilla.org/show_bug.cgi?id=2024852\nhttps://www.mozilla.org/security/advisories/mfsa2026-57/\nhttps://www.mozilla.org/security/advisories/mfsa2026-58/\nhttps://www.mozilla.org/security/advisories/mfsa2026-59/\nhttps://www.mozilla.org/security/advisories/mfsa2026-60/\nhttps://www.mozilla.org/security/advisories/mfsa2026-61/",
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    "cvss": {
        "score": 8.1,
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    "product": "Firefox",
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