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nimble/mesh: Check buffer space before relaying proxy message #2234

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Merged
sjanc merged 1 commit into from
Jun 24, 2026
+5 −0
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nimble/mesh: Check buffer space before relaying proxy message #2234

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5 changes: 5 additions & 0 deletions nimble/host/mesh/src/proxy_msg.c
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,11 @@ int bt_mesh_proxy_msg_recv(struct bt_mesh_proxy_role *role,
{
const uint8_t *data = buf;

if (net_buf_simple_tailroom(role->buf) < len - 1) {
BT_WARN("Proxy role buffer overflow");
return -EINVAL;
}

switch (PDU_SAR(data)) {
case SAR_COMPLETE:
if (role->buf->om_len) {
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