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[api][at581x][vl53l0x] Fix bounds check issues in 3 components (#14660)

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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Jonathan Swoboda
2026-03-09 17:17:31 -04:00
committed by GitHub
co-authored by Claude Opus 4.6
parent a379e5a635
commit 75f55adbfa
4 changed files with 10 additions and 4 deletions
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esphome/components/api/api_frame_helper_noise.cpp
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@@ -375,6 +375,7 @@ void APINoiseFrameHelper::send_explicit_handshake_reject_(const LogString *reaso
#ifdef USE_STORE_LOG_STR_IN_FLASH
// On ESP8266 with flash strings, we need to use PROGMEM-aware functions
size_t reason_len = strlen_P(reinterpret_cast<PGM_P>(reason));
reason_len = std::min(reason_len, sizeof(data) - 1);
if (reason_len > 0) {
memcpy_P(data + 1, reinterpret_cast<PGM_P>(reason), reason_len);
}
@@ -382,6 +383,7 @@ void APINoiseFrameHelper::send_explicit_handshake_reject_(const LogString *reaso
// Normal memory access
const char *reason_str = LOG_STR_ARG(reason);
size_t reason_len = strlen(reason_str);
reason_len = std::min(reason_len, sizeof(data) - 1);
if (reason_len > 0) {
// NOLINTNEXTLINE(bugprone-not-null-terminated-result) - binary protocol, not a C string
std::memcpy(data + 1, reason_str, reason_len);