bitchat

bitchat A decentralized peer-to-peer messaging app with dual transport architecture: local Bluetooth mesh networks for offline communication and internet-based Nostr protocol for global reach. No accounts, no phone numbers, no central servers. It's the side-groupchat. bitchat.free 📲 App Store...

bitchat-android

!WARNING This software has not received external security review and may contain vulnerabilities and may not necessarily meet its stated security goals. Do not use it for sensitive use cases, and do not rely on its security until it has been reviewed. Work in progress. bitchat for Android A secur...

CVE-2026-19936

The Bluetooth Mesh Access-layer delayable message queue in subsys/bluetooth/mesh/delayablemsg.c shares three intrusive lists busyctx, freectx, freechunks and one kworkdelayable between two cooperative threads with no synchronization: btmeshdelayablemsgmanage runs on the Bluetooth host RX thread,...

CVE-2026-19937

The Bluetooth Mesh Access layer delayable-message machinery in subsys/bluetooth/mesh/delayablemsg.c manages a static pool of CONFIGBTMESHACCESSDELAYABLEMSGCOUNT message contexts default 4 threaded onto a freectx or busyctx list. releasedelayablemsgctx returned a context to freectx only when...

CVE-2026-19937: Missing Release of Resource after Effective Lifetime

The Bluetooth Mesh Access layer delayable-message machinery in subsys/bluetooth/mesh/delayablemsg.c manages a static pool of CONFIGBTMESHACCESSDELAYABLEMSGCOUNT message contexts default 4 threaded onto a freectx or busyctx list. releasedelayablemsgctx returned a context to freectx only when...

CVE-2026-19936: Concurrent Execution using Shared Resource with Improper Synchronization

The Bluetooth Mesh Access-layer delayable message queue in subsys/bluetooth/mesh/delayablemsg.c shares three intrusive lists busyctx, freectx, freechunks and one kworkdelayable between two cooperative threads with no synchronization: btmeshdelayablemsgmanage runs on the Bluetooth host RX thread,...

CVE-2026-19937 Bluetooth Mesh Access layer permanently leaks delayable-message contexts, disabling all model responses

The Bluetooth Mesh Access layer delayable-message machinery in subsys/bluetooth/mesh/delayablemsg.c manages a static pool of CONFIGBTMESHACCESSDELAYABLEMSGCOUNT message contexts default 4 threaded onto a freectx or busyctx list. releasedelayablemsgctx returned a context to freectx only when...

EUVD-2026-98094

The Bluetooth Mesh Access layer delayable-message machinery in subsys/bluetooth/mesh/delayablemsg.c manages a static pool of CONFIGBTMESHACCESSDELAYABLEMSGCOUNT message contexts default 4 threaded onto a freectx or busyctx list. releasedelayablemsgctx returned a context to freectx only when...

CVE-2026-19937

The Bluetooth Mesh Access layer delayable-message machinery in subsys/bluetooth/mesh/delayablemsg.c manages a static pool of CONFIGBTMESHACCESSDELAYABLEMSGCOUNT message contexts default 4 threaded onto a freectx or busyctx list. releasedelayablemsgctx returned a context to freectx only when...

CVE-2026-19937 Bluetooth Mesh Access layer permanently leaks delayable-message contexts, disabling all model responses

The Bluetooth Mesh Access layer delayable-message machinery in subsys/bluetooth/mesh/delayablemsg.c manages a static pool of CONFIGBTMESHACCESSDELAYABLEMSGCOUNT message contexts default 4 threaded onto a freectx or busyctx list. releasedelayablemsgctx returned a context to freectx only when...

CVE-2026-19937

The Bluetooth Mesh Access layer in Zephyr RTOS (specifically subsys/bluetooth/mesh/delayable_msg.c) contains a resource leak vulnerability. The bt_mesh_delayable_msg_manage() function fails to correctly re-insert a message context into the pool during a chunk-exhaustion error path, causing the co...

CVE-2026-19937 Bluetooth Mesh Access layer permanently leaks delayable-message contexts, disabling all model responses

The Bluetooth Mesh Access layer delayable-message machinery in subsys/bluetooth/mesh/delayablemsg.c manages a static pool of CONFIGBTMESHACCESSDELAYABLEMSGCOUNT message contexts default 4 threaded onto a freectx or busyctx list. releasedelayablemsgctx returned a context to freectx only when...

CVE-2026-19936 Bluetooth Mesh delayable message queue: unsynchronized list access leads to NULL pointer dereference

The Bluetooth Mesh Access-layer delayable message queue in subsys/bluetooth/mesh/delayablemsg.c shares three intrusive lists busyctx, freectx, freechunks and one kworkdelayable between two cooperative threads with no synchronization: btmeshdelayablemsgmanage runs on the Bluetooth host RX thread,...

CVE-2026-19936

The Bluetooth Mesh Access-layer delayable message queue in subsys/bluetooth/mesh/delayable_msg.c is vulnerable to a NULL pointer dereference due to unsynchronized access to shared intrusive lists (busy_ctx, free_ctx, free_chunks). Specifically, bt_mesh_delayable_msg_manage() (running on the Bluet...

EUVD-2026-98093

The Bluetooth Mesh Access-layer delayable message queue in subsys/bluetooth/mesh/delayablemsg.c shares three intrusive lists busyctx, freectx, freechunks and one kworkdelayable between two cooperative threads with no synchronization: btmeshdelayablemsgmanage runs on the Bluetooth host RX thread,...

CVE-2026-19936 Bluetooth Mesh delayable message queue: unsynchronized list access leads to NULL pointer dereference

The Bluetooth Mesh Access-layer delayable message queue in subsys/bluetooth/mesh/delayablemsg.c shares three intrusive lists busyctx, freectx, freechunks and one kworkdelayable between two cooperative threads with no synchronization: btmeshdelayablemsgmanage runs on the Bluetooth host RX thread,...

CVE-2026-19936

The Bluetooth Mesh Access-layer delayable message queue in subsys/bluetooth/mesh/delayablemsg.c shares three intrusive lists busyctx, freectx, freechunks and one kworkdelayable between two cooperative threads with no synchronization: btmeshdelayablemsgmanage runs on the Bluetooth host RX thread,...

CVE-2026-19936 Bluetooth Mesh delayable message queue: unsynchronized list access leads to NULL pointer dereference

The Bluetooth Mesh Access-layer delayable message queue in subsys/bluetooth/mesh/delayablemsg.c shares three intrusive lists busyctx, freectx, freechunks and one kworkdelayable between two cooperative threads with no synchronization: btmeshdelayablemsgmanage runs on the Bluetooth host RX thread,...

PT-2026-111111

The Bluetooth Mesh Access-layer delayable message queue in subsys/bluetooth/mesh/delayable msg.c shares three intrusive lists busy ctx, free ctx, free chunks and one k work delayable between two cooperative threads with no synchronization: bt mesh delayable msg manage runs on the Bluetooth host R...

PT-2026-111112

The Bluetooth Mesh Access layer delayable-message machinery in subsys/bluetooth/mesh/delayable msg.c manages a static pool of CONFIG BT MESH ACCESS DELAYABLE MSG COUNT message contexts default 4 threaded onto a free ctx or busy ctx list. release delayable msg ctx returned a context to free ctx on...