CVE-2026-67291

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{"bugzilla": {"description": "FreeRDP: FreeRDP: Denial of Service via heap out-of-bounds read", "id": "2510010", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2510010"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A heap out-of-bounds read vulnerability in FreeRDP allows an unauthenticated, malicious RDP server to cause a Denial of Service. By sending a specially crafted glyph fragment update, the server forces the client to read beyond its allocated memory, crashing the application."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, avoid connecting FreeRDP clients to untrusted or potentially malicious RDP servers. If such connections are required, run the client on a dedicated, isolated system so a client crash is contained and does not impact other workloads."}, "name": "CVE-2026-67291", "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": "2026-08-01T12:22:18Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-67291\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-67291\nhttps://github.com/FreeRDP/FreeRDP/commit/f3b4347105114fe7453828736bea069999af319f\nhttps://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hgj8-g595-wfc6\nhttps://www.vulncheck.com/advisories/freerdp-before-heap-out-of-bounds-read-via-glyph-fragment-add"], "statement": "A Moderate heap out-of-bounds read in FreeRDP affects Red Hat products by allowing an untrusted RDP server to remotely crash a connecting client without authentication, resulting in a loss of application availability.", "threat_severity": "Moderate"}

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