CVE-2025-4919

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"release_date": "2025-06-02T00:00:00Z"}, {"advisory": "RHSA-2025:8598", "cpe": "cpe:/a:redhat:rhel_e4s:9.0", "package": "thunderbird-0:128.11.0-1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2025-06-05T00:00:00Z"}, {"advisory": "RHSA-2025:8369", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "firefox-0:128.10.1-1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2025-06-02T00:00:00Z"}, {"advisory": "RHSA-2025:8642", "cpe": "cpe:/a:redhat:rhel_e4s:9.2", "package": "thunderbird-0:128.11.0-1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "release_date": "2025-06-09T00:00:00Z"}, {"advisory": "RHSA-2025:8370", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "firefox-0:128.10.1-1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-06-02T00:00:00Z"}, {"advisory": "RHSA-2025:8599", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "thunderbird-0:128.11.0-1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-06-05T00:00:00Z"}], "bugzilla": {"description": "firefox: thunderbird: Out-of-bounds access when optimizing linear sums", "id": "2367018", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2367018"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-787", "details": ["An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability affects Firefox < 138.0.4, Firefox ESR < 128.10.1, Firefox ESR < 115.23.1, Thunderbird < 128.10.2, and Thunderbird < 138.0.2.", "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes."], "mitigation": {"lang": "en:us", "value": "No mitigation is currently available that meets Red Hat Product Security\u2019s standards for usability, deployment, applicability, or stability."}, "name": "CVE-2025-4919", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "rhel10/firefox-flatpak", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "rhel10/thunderbird-flatpak", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2025-05-17T21:07:27Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-4919\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-4919\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2025-37/#CVE-2025-4919\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2025-40/#CVE-2025-4919"], "statement": "Red Hat Product Security rates the severity of this flaw as Important due to the requirement of user interaction.", "threat_severity": "Important"}

{"created": "2026-04-20T17:15:12.549572+00:00", "updated": "2026-08-18T15:15:03.819202+00:00", "vendors": []}