CVE-2026-51244 | schreibfaul1 ESP32-audioI2S 3.4.5 has a buffer overflow vuln… | CVSS 7.5 HIGH

Description

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.

Metadata

CVE ID: CVE-2026-51244
State: PUBLISHED
Assigner: mitre
Reserved: 2026-06-07 00:00 UTC
Published: 2026-07-27 00:00 UTC
Last updated: 2026-07-27 18:58 UTC
Primary CWE: CWE-121
CWE-121 Stack-based Buffer Overflow
Vendor / Product: n/a / n/a
Sources: cve.org · NVD

Severity & Metrics

7.5 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
n/a	n/a	—	n/a

Weakness (CWE)

CWE	Source	Description
—	cna	n/a
CWE-121	adp	CWE-121 Stack-based Buffer Overflow

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.5	HIGH	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (2)