Buffer overflow in N/a

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…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-51266?
CVE-2026-51266 is a critical-severity vulnerability in N/a, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-07-28.
How severe is CVE-2026-51266?
Critical severity. CVSS v3 base score is 9.8 out of 10.