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[zwave_proxy] Fix uint8_t overflow for buffer index and frame end (#14480)

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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Jonathan Swoboda
2026-03-04 18:32:50 -05:00
committed by GitHub
co-authored by Claude Opus 4.6
parent b6d7e8e14d
commit c8e7f78a25
2 changed files with 8 additions and 4 deletions
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esphome/components/zwave_proxy/zwave_proxy.cpp
+4
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@@ -281,6 +281,10 @@ bool ZWaveProxy::parse_byte_(uint8_t byte) {
break;
}
case ZWAVE_PARSING_STATE_READ_BL_MENU:
if (this->buffer_index_ >= this->buffer_.size()) {
this->parsing_state_ = ZWAVE_PARSING_STATE_WAIT_START;
break;
}
this->buffer_[this->buffer_index_++] = byte;
if (!byte) {
this->parsing_state_ = ZWAVE_PARSING_STATE_WAIT_START;