CVE-2026-51260

Summary

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 UINT16_MAX bytes without validating destination available space, causing out-of-bounds memory write.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://github.com/programmervuln/cveadvisory-/blob/main/CVE-2026-51260

References

• https://github.com/schreibfaul1/ESP32-audioI2S/blob/master/src/Audio.cpp
• https://github.com/programmervuln/cveadvisory-/blob/main/CVE-2026-51260

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