CVE-2026-64621

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{"bugzilla": {"description": "FreeRDP: FreeRDP: Double-free vulnerability via crafted .rdp file leading to potential remote code execution", "id": "2502766", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502766"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H", "status": "draft"}, "cwe": "CWE-1341", "details": ["A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol. A double-free vulnerability exists when a FreeRDP client processes a specially crafted `.rdp` connection file. An attacker could convince a victim to open a malicious `.rdp` file, leading to a size-controlled double-free. This could potentially allow for arbitrary code execution on the affected system."], "mitigation": {"lang": "en:us", "value": "The vulnerability is triggered by opening a malicious `.rdp` file. Users should exercise caution and avoid opening `.rdp` files from untrusted sources."}, "name": "CVE-2026-64621", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-20T12:04:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64621\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64621\nhttps://github.com/FreeRDP/FreeRDP/commit/1f7a716d39b5605bb8a83b0c3c97a6ce386609ef\nhttps://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f27x-frr8-j9hc\nhttps://www.vulncheck.com/advisories/freerdp-before-double-free-via-selectedmonitors"], "statement": "This Important flaw in FreeRDP clients allows for arbitrary code execution when a user opens a specially crafted `.rdp` connection file. The vulnerability stems from a double-free condition during the parsing of the `selectedmonitors` field, which can be triggered by an attacker convincing a victim to open a malicious file. This risk is elevated as it affects default configurations of FreeRDP command-line interface clients.", "threat_severity": "Important"}

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