CVE-2026-8964 (GCVE-0-2026-8964)
Vulnerability from cvelistv5
Published
2026-05-19 12:30
Modified
2026-05-19 17:10
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Summary
Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 151
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              "confidentialityImpact": "NONE",
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              "privilegesRequired": "NONE",
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        "dateUpdated": "2026-05-19T17:10:54.077Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2025170"
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        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-46/"
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        {
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    "dateReserved": "2026-05-19T12:30:07.287Z",
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