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Processing malicious web content can cause an unexpected process crash due to improper memory handling."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2025-12-22T20:49:59.056Z"}, "x_redhatCweChain": "CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}}, "cveMetadata": {"cveId": "CVE-2025-66287", "state": "PUBLISHED", "dateUpdated": "2025-12-22T20:49:59.056Z", "dateReserved": "2025-11-26T19:02:26.116Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2025-12-04T16:48:31.485Z", "assignerShortName": "redhat"}, "dataVersion": "5.2"}

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{"bugzilla": {"description": "webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash", "id": "2418857", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2418857"}, "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": "draft"}, "cwe": "CWE-120", "details": ["A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due to improper memory handling."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2025-66287", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "webkitgtk", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "webkitgtk3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "webkitgtk4", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "webkit2gtk3", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "webkit2gtk3", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-66287\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-66287\nhttps://webkitgtk.org/security/WSA-2025-0009.html"], "statement": "To exploit this issue, an attacker needs to trick a user into processing or loading malicious web content. Due to this reason, this flaw has been rated with an important severity.\nAdditionally, this issue can cause an unexpected process crash but the possibility of remote code execution is not discarded.", "threat_severity": "Important"}

{}