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{"bugzilla": {"description": "freerdp: FreeRDP: Denial of Service and potential code execution via client-side heap buffer overflow", "id": "2430891", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2430891"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-122", "details": ["A flaw was found in FreeRDP. A malicious server can exploit a client-side heap buffer overflow vulnerability in the `gdi_SurfaceToSurface` path. This vulnerability, caused by a mismatch in memory handling, can lead to a crash (Denial of Service) of the client application. Furthermore, it carries a risk of heap corruption, which could potentially enable arbitrary code execution on the affected system."], "name": "CVE-2026-23532", "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": "Affected", "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": "2026-01-19T17:03:51Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23532\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23532\nhttps://github.com/FreeRDP/FreeRDP/blob/38514dfa5813aa945a86cfbcec279033f8394468/libfreerdp/gdi/gfx.c#L1368-L1382\nhttps://github.com/FreeRDP/FreeRDP/releases/tag/3.21.0\nhttps://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-fq8c-87hj-7gvr"], "statement": "For this vulnerability to be exploited, a client must connect to a maliciously-configured server. Red Hat recommends that FreeRDP clients are only used to connect to trusted servers.", "threat_severity": "Important"}

{"created": "2026-01-20T08:40:53.794515+00:00", "updated": "2026-01-20T08:40:53.794550+00:00", "vendors": ["freerdp", "freerdp$PRODUCT$freerdp"]}