{"id":"CLSA-2026-1791569293","summary":"freerdp: Fix of 6 CVEs","details":"- CVE-2026-91953, CVE-2026-91964: bound every write in nego_send_negotiation_request() with Stream_EnsureRemainingCapacity(); the routing token taken from the server's LB_LOAD_BALANCE_INFO was written into a fixed 512 byte stream unchecked, overflowing the heap allocation\n- CVE-2026-91963: allocate wStream buffers with calloc() instead of malloc(), so the urbdrc completion path can no longer return the untouched tail of a freshly allocated buffer - and with it live heap pointers - to the server when a USB transfer returns short\n- CVE-2026-91959: require four remaining bytes in rts_read_result() before reading result and reason; a malicious RD Gateway could end a BIND_ACK fragment two bytes into a result and make the parser over-read it\n- CVE-2026-91957: do not free the SMARTCARD_DEVICE on the DeviceServiceEntry() failure path once RegisterDevice() has succeeded; devman kept the freed pointer and dereferenced DEVICE.Free through it on channel teardown\n- CVE-2026-91956: bound the interface, alternate-setting and endpoint indices in func_get_ep_desc(); it indexed by array position while the validator indexed by InterfaceNumber, so a permuted descriptor produced an out-of-bounds read of a pointer that was then dereferenced","modified":"2026-10-26T09:43:26.592185570Z","published":"2026-10-09T18:08:29Z","upstream":["CVE-2026-91953","CVE-2026-91956","CVE-2026-91957","CVE-2026-91959","CVE-2026-91963","CVE-2026-91964"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/oraclelinux7els/CLSA-2026-1791569293.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91953"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91956"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91957"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91959"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91963"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91964"}],"affected":[{"package":{"name":"freerdp","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/freerdp?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1791569293.json"}},{"package":{"name":"freerdp-devel","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/freerdp-devel?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1791569293.json"}},{"package":{"name":"freerdp-libs","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/freerdp-libs?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1791569293.json"}},{"package":{"name":"libwinpr","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/libwinpr?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1791569293.json"}},{"package":{"name":"libwinpr-devel","ecosystem":"TuxCare:OracleLinux:7","purl":"pkg:rpm/tuxcare/libwinpr-devel?distro=oraclelinux-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1791569293.json"}}],"schema_version":"1.9.0"}