{"id":"CVE-2026-24683","summary":"FreeRDP has a heap-use-after-free in ainput_send_input_event","details":"FreeRDP is a free implementation of the Remote Desktop Protocol. ainput_send_input_event caches channel_callback in a local variable and later uses it without synchronization; a concurrent channel close can free or reinitialize the callback, leading to a use after free. Prior to 3.22.0, This vulnerability is fixed in 3.22.0.","aliases":["GHSA-45pf-68pj-fg8q"],"modified":"2026-08-12T15:31:46.261984Z","published":"2026-02-09T18:22:17.636Z","related":["ALSA-2026:6340","ALSA-2026:6799","ALSA-2026:6918","SUSE-SU-2026:0649-1","SUSE-SU-2026:0683-1","SUSE-SU-2026:0763-1","openSUSE-SU-2026:10132-1","openSUSE-SU-2026:10243-1","openSUSE-SU-2026:20320-1","openSUSE-SU-2026:20339-1"],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-416"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24683.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24683.json"},{"type":"ADVISORY","url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-45pf-68pj-fg8q"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24683"},{"type":"FIX","url":"https://github.com/FreeRDP/FreeRDP/commit/d9ca272dce7a776ab475e9b1a8e8c3d2968c8486"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/freerdp/freerdp","events":[{"introduced":"0"},{"fixed":"e3ef4c71138f76516299cb3637d2d0c59b2a3737"},{"fixed":"d9ca272dce7a776ab475e9b1a8e8c3d2968c8486"}],"database_specific":{"cpe":"cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"3.22.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["3.5.1","3.5.0","3.4.0","3.3.0","3.2.0","3.1.0","3.0.0","3.0.0-rc0","3.0.0-beta4","3.0.0-beta3","3.0.0-beta2","3.0.0-beta1","2.0.0","2.0.0-rc4","2.0.0-rc3","2.0.0-rc2","2.0.0-rc1","2.0.0-rc0","2.0.0-beta1+android11","2.0.0-beta1+android10","1.2.0-beta1+android9","1.2.0-beta1+android7","1.1.0-beta+2013071101","1.1.0-beta1+ios4","1.1.0-beta1+android5","1.1.0-beta1+android4","1.1.0-beta1+ios3","1.1.0-beta1+ios2","1.1.0-beta1+android3","1.1.0-beta1+android2","1.1.0-beta1+ios1","1.1.0-beta1","1.0.1","1.0.0","1.0-beta5","1.0-beta4","1.0-beta2","1.0-beta1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-24683.json","vanir_signatures_modified":"2026-08-12T15:31:46Z","vanir_signatures":[{"target":{"file":"channels/ainput/client/ainput_main.c","function":"terminate_plugin_cb"},"deprecated":false,"digest":{"function_hash":"231145014262627374288810511893708103758","length":107},"id":"CVE-2026-24683-354f5de4","signature_type":"Function","signature_version":"v1","source":"https://github.com/freerdp/freerdp/commit/d9ca272dce7a776ab475e9b1a8e8c3d2968c8486"},{"source":"https://github.com/freerdp/freerdp/commit/d9ca272dce7a776ab475e9b1a8e8c3d2968c8486","target":{"file":"channels/ainput/client/ainput_main.c","function":"init_plugin_cb"},"deprecated":false,"digest":{"function_hash":"13714948715699845688337591421337435254","length":390},"id":"CVE-2026-24683-abd15a5e","signature_type":"Function","signature_version":"v1"},{"target":{"file":"channels/ainput/client/ainput_main.c","function":"ainput_on_close"},"deprecated":false,"digest":{"length":119,"function_hash":"99919897665195191089243943723051613731"},"id":"CVE-2026-24683-ca6f3bbe","signature_type":"Function","signature_version":"v1","source":"https://github.com/freerdp/freerdp/commit/d9ca272dce7a776ab475e9b1a8e8c3d2968c8486"},{"target":{"file":"channels/ainput/client/ainput_main.c","function":"ainput_send_input_event"},"deprecated":false,"digest":{"function_hash":"94321970788608289267341130106720511969","length":1208},"id":"CVE-2026-24683-e7227a64","signature_type":"Function","signature_version":"v1","source":"https://github.com/freerdp/freerdp/commit/d9ca272dce7a776ab475e9b1a8e8c3d2968c8486"},{"target":{"file":"channels/ainput/client/ainput_main.c"},"deprecated":false,"digest":{"line_hashes":["190008562544560410057996040179045617904","32410127961803529645102041636569091932","263622678584840086625138331179598292838","78952569010251756559654199559014249392","192217900890910348699107543146991136443","100040035760761372901590763219375817986","283336532898596626863141261351427786572","189278407769205436471353303806515270909","41330364526561249864078830867969167481","269444784834428584387317466962975139895","50971260311667431194239993926883094731","23389515418715043279555028830379050874","289837562978570126788476283403392635270","106850822759930995026484604654817997461","7490738671224804822885045216130463044","89845916161951227519149045396374288916","110391441216400260112646077383532709962","254487480556233576628067000268809709867","43540778647497586731195971230069471738","224960808706221309121668606591701126648","320206725915132738739340217548782846863","270736709479832385388670748443899962740","176277657062853123513029135939854934393","254559166797317042628664685366468621754","301016417360366077367354524156799749674","280830583809729078019581994720155483686","333438647880964178900629698382426216045","72701564798101226867744280368213707141","38607579193453593768298688222007931436","15334660753543824634366275565201532266","95823035845490033980037638611508916349","156402952057767365144242727742455676320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