Buffer overflow in N/a
CVE-2026-51271
In schreibfaul1 ESP32-audioI2S 3.4.5, a heap-based buffer overflow vulnerability exists in the WAV header parsing function read_WAV_Header(). The function reads untrusted chunk size and bytes-to-skip value directly from malicious WAV files…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Affected products
- N/a — versions n/a
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-51271?
- CVE-2026-51271 is a critical-severity vulnerability in N/a, classified under Heap-based Buffer Overflow. CVSS score: 9.6/10. Published 2026-07-28.
- How severe is CVE-2026-51271?
- Critical severity. CVSS v3 base score is 9.6 out of 10.