CVE-2026-110833

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{"bugzilla": {"description": "freerdp: freerdp: Denial of Service via unbounded memory consumption during RDPDR reassembly", "id": "2552988", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2552988"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-400", "details": ["A flaw was found in FreeRDP. The proxy component fails to enforce cumulative or absolute size limits when reassembling Remote Desktop Protocol Device Redirection (RDPDR) channel fragments. A remote attacker can exploit this vulnerability by transmitting an initial fragment followed by continuous data fragments without a termination marker, causing unbounded memory retention in the proxy session. This excessive memory consumption can ultimately lead to a Denial of Service (DoS)."], "mitigation": {"lang": "en:us", "value": "Limit FreeRDP process resources with ulimit/cgroup controls to contain memory exhaustion ([CME-114](https://cmetaxonomy.org/entries/CME-114.html), [CME-704](https://cmetaxonomy.org/entries/CME-704.html)). Restrict clients/servers to trusted peers ([CME-202](https://cmetaxonomy.org/entries/CME-202.html))."}, "name": "CVE-2026-110833", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "impact": "moderate", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-10-14T22:52:08Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-110833\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-110833\nhttps://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-m7g5-gw57-cwcr\nhttps://www.vulncheck.com/advisories/freerdp-before-3.32.0-unbounded-memory-retention-via-rdpdr-proxy"], "statement": "This flaw is rated Moderate because unbounded RDPDR reassembly in freerdp-proxy can exhaust memory (availability). Attack complexity is elevated (AC:H). Confidentiality and integrity are not impacted.", "threat_severity": "Moderate"}

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