CVE-2026-114045

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{"bugzilla": {"description": "freerdp: FreeRDP: heap buffer overflow in server rdpsnd via crafted audio formats", "id": "2557974", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2557974"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-122", "details": ["A flaw was found in FreeRDP. An integer wraparound in rdpsnd_server_select_format() DVI_ADPCM block-alignment arithmetic bypasses validation in the server-side rdpsnd channel. A malicious RDP client can send crafted SNDC_FORMATS PDUs, causing an unbounded heap write during server audio playback that may enable code execution. This issue affects FreeRDP before 3.32.1."], "mitigation": {"lang": "en:us", "value": "If FreeRDP server or shadow components are unused, remove or disable them.\nRestrict RDP server access to trusted authenticated clients only ([CME-202](https://cmetaxonomy.org/entries/CME-202.html), [CME-203](https://cmetaxonomy.org/entries/CME-203.html)).\nDisable server-side audio redirection / rdpsnd when audio playback to clients is not required.\nUpgrade FreeRDP to 3.32.1 or later when updates are available."}, "name": "CVE-2026-114045", "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": "2026-10-21T00:36:24Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-114045\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-114045\nhttps://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3m9q-g533-rqjq\nhttps://www.vulncheck.com/advisories/freerdp-before-3.32.1-heap-buffer-overflow-via-rdpsnd-server-select-format"], "statement": "This issue is rated Important because an authenticated RDP client can trigger a heap-based buffer overflow in the FreeRDP server audio (rdpsnd) channel without further user interaction (PR:L, UI:N), with High impact on confidentiality, integrity, and availability. The vulnerable code is in the server-side rdpsnd path shipped when FreeRDP server components (for example freerdp-server / freerdp-shadow-cli) are built and used. Red Hat products that ship FreeRDP with server support before 3.32.1 are affected. Platform hardening such as ASLR, NX, and FORTIFY_SOURCE may make reliable exploitation more difficult but does not remove the underlying memory-corruption risk.", "threat_severity": "Important"}

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