CVE-2026-51244
HIGHESP32-audioI2S 3.4.5 - Stack-based Buffer Overflow and Heap Buffer Overflow via UnpackFrameHeader Index Parameters
Title source: llmDescription
schreibfaul1 ESP32-audioI2S 3.4.5 has a buffer overflow vulnerability in UnpackFrameHeader(). Multiple attacker-controlled index parameters are used to access static and heap table arrays without range limitation. Invalid index values lead to out-of-bounds memory writing and heap buffer overflow.
Scores
CVSS v3
7.5
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-121
Status
published
Published
Jul 27, 2026
Tracked Since
Jul 28, 2026