{"id":"CVE-2023-39350","summary":"Incorrect offset calculation leading to denial of service in FreeRDP","details":"FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. This issue affects Clients only. Integer underflow leading to DOS (e.g. abort due to `WINPR_ASSERT` with default compilation flags). When an insufficient blockLen is provided, and proper length validation is not performed, an Integer Underflow occurs, leading to a Denial of Service (DOS) vulnerability. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.","aliases":["GHSA-rrrv-3w42-pffh"],"modified":"2026-04-16T04:38:13.420135759Z","published":"2023-08-31T19:31:13.392Z","related":["ALSA-2024:2208","SUSE-SU-2023:4611-1","SUSE-SU-2023:4893-1","openSUSE-SU-2024:13504-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39350.json","cwe_ids":["CWE-191"],"cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39350.json"},{"type":"ADVISORY","url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rrrv-3w42-pffh"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39350"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202401-16"},{"type":"FIX","url":"https://github.com/FreeRDP/FreeRDP/commit/e204fc8be5a372626b13f66daf2abafe71dbc2dc"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/freerdp/freerdp","events":[{"introduced":"0"},{"fixed":"1384b3c33b9bd7599633cc54bf20cf20ec6be83c"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"2.11.0"}]}},{"type":"GIT","repo":"https://github.com/freerdp/freerdp","events":[{"introduced":"f468a06d88c55b9ed484757326a9528cf27d33f4"},{"fixed":"59a5726ab36338776539192cae2563951d0ce94b"}],"database_specific":{"versions":[{"introduced":"3.0.0-beta1"},{"fixed":"3.0.0-beta3"}]}}],"versions":["1.0-beta1","1.0-beta2","1.0-beta4","1.0-beta5","1.0.0","1.0.1","1.1.0-beta+2013071101","1.1.0-beta1","1.1.0-beta1+android2","1.1.0-beta1+android3","1.1.0-beta1+android4","1.1.0-beta1+android5","1.1.0-beta1+ios1","1.1.0-beta1+ios2","1.1.0-beta1+ios3","1.1.0-beta1+ios4","1.2.0-beta1+android7","1.2.0-beta1+android9","2.0.0","2.0.0-beta1+android10","2.0.0-beta1+android11","2.0.0-rc0","2.0.0-rc1","2.0.0-rc2","2.0.0-rc3","2.0.0-rc4","2.1.0","2.1.1","2.1.2","2.10.0","2.2.0","2.3.0","2.3.1","2.3.2","2.4.1","2.5.0","2.6.0","2.6.1","2.7.0","2.8.0","2.8.1","2.9.0","3.0.0-beta1","3.0.0-beta2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-39350.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}