CVE-2026-51271

In schreibfaul1 ESP32-audioI2S 3.4.5, a heap-based buffer overflow vulnerability exists in the WAV header parsing function readWAVHeader. The function reads untrusted chunk size and bytes-to-skip value directly from malicious WAV files without reasonable range restriction. Abnormally large bts an...

CVE-2026-51252

schreibfaul1 ESP32-audioI2S 3.4.5 has a buffer overflow vulnerability in the MP3Decoder::UnpackSFMPEG1 function due to missing input validation on attacker-controlled MP3 metadata...

CVE-2026-51261

Missing mutex synchronization in AudioBuffer::freeSpace in schreibfaul1 ESP32-audioI2S 3.4.5 creates a race condition between concurrent tasks. The function calculates available buffer space without protecting shared read/write pointers, returning an incorrectly large value. Trusting this value...

CVE-2026-51251

Schreibfaul1 ESP32-audioI2S 3.4.5 has a buffer overflow vulnerability in the MP3Decoder::decode function of the MP3 decoder due to missing size validation on untrusted mainDataBegin and nSlots values...

CVE-2026-51252

schreibfaul1 ESP32-audioI2S 3.4.5 has a buffer overflow vulnerability in the MP3Decoder::UnpackSFMPEG1 function due to missing input validation on attacker-controlled MP3 metadata...

CVE-2026-51263

schreibfaul1 ESP32-audioI2S 3.4.5 is vulnerable to Buffer Overflow. The Audio::openaispeech function in the Audio library manually constructs JSON request bodies and HTTP request headers by directly concatenating externally controllable input and instructions strings without effective length...

CVE-2026-51266

schreibfaul1 ESP32-audioI2S 3.4.5 has a heap-based buffer overflow vulnerability in the HTTP request header construction logic. The application dynamically splices attacker-controlled host name, path, query string, and multiple HTTP header fields into a fixed psptr heap buffer without proper size...

PT-2026-65506

schreibfaul1 ESP32-audioI2S 3.4.5 is vulnerable to Buffer Overflow. The Audio::openai speech function in the Audio library manually constructs JSON request bodies and HTTP request headers by directly concatenating externally controllable input and instructions strings without effective length...

CVE-2026-51260

Unsafe fixed-size memcpy operation in AudioBuffer::writeSpace of schreibfaul1 ESP32-audioI2S 3.4.5 allows remote heap buffer overflow. The code copies a full UINT16MAX bytes without validating destination available space, causing out-of-bounds memory write...

CVE-2026-51261

Missing mutex synchronization in AudioBuffer::freeSpace in schreibfaul1 ESP32-audioI2S 3.4.5 creates a race condition between concurrent tasks. The function calculates available buffer space without protecting shared read/write pointers, returning an incorrectly large value. Trusting this value...

CVE-2026-51268

schreibfaul1 ESP32-audioI2S 3.4.5 has a heap-based buffer overflow vulnerability in the host parsing logic. The dismantlehost function parses untrusted host and URL input, and subsequent code uses clonefrom to copy parsed host, request host, extension and querystring segments into fixed heap...

CVE-2026-51267

schreibfaul1 ESP32-audioI2S 3.4.5 has a heap-based buffer overflow vulnerability in the URL path concatenation and encoding module. The application splices untrusted extension path and attacker-controlled query string into a path buffer, then invokes urlencode without validating the final string...

CVE-2026-51269

schreibfaul1 ESP32-audioI2S 3.4.5 has a heap-based buffer overflow vulnerability in the connecttospeech function. The application accepts attacker-controlled long speech text input, performs URL encoding, and directly appends the encoded result into a fixed psptr heap buffer when constructing HTT...

PT-2026-65508

schreibfaul1 ESP32-audioI2S 3.4.5 has a heap-based buffer overflow vulnerability in the URL path concatenation and encoding module. The application splices untrusted extension path and attacker-controlled query string into a path buffer, then invokes urlencode without validating the final string...

CVE-2026-51251

Schreibfaul1 ESP32-audioI2S 3.4.5 has a buffer overflow vulnerability in the MP3Decoder::decode function of the MP3 decoder due to missing size validation on untrusted mainDataBegin and nSlots values...

CVE-2026-51270

CVE-2026-51270 concerns schreibfaul1's ESP32-audioI2S 3.4.5, which has a heap-based buffer overflow in the htmlToUTF8() HTML entity decoding function. The function decodes attacker-controlled HTML entities and uses memmove/memcpy to rearrange string content without validating remaining buffer siz...

CVE-2026-51254

Concrete details found: ESP32-audioI2S v3.4.5 MP3 decoder MP3Decoder::GetBits() has an unchecked nBits read, causing an integer underflow of cachedBits. This can lead to invalid bitstream parsing, app crash, or arbitrary code execution via a crafted MP3 file.

CVE-2026-51266

The CVE-2026-51266 entry concerns schreibfaul1 ESP32-audioI2S 3.4.5. The vulnerability is a heap-based buffer overflow in the HTTP request header construction logic, where attacker-controlled host, path, query string, and multiple HTTP header fields are spliced into a fixed ps_ptr heap buffer wit...

CVE-2026-51269

schreibfaul1 ESP32-audioI2S 3.4.5 has a heap-based buffer overflow vulnerability in the connecttospeech function. The application accepts attacker-controlled long speech text input, performs URL encoding, and directly appends the encoded result into a fixed psptr heap buffer when constructing HTT...

CVE-2026-51263

This CVE concerns schreibfaul1 ESP32-audioI2S 3.4.5. The Audio::openai_speech function constructs JSON request bodies and HTTP headers by directly concatenating externally controllable input without proper length restriction or boundary validation, enabling a heap buffer overflow via string splic...