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N A CVE-2026-51275

| EUVDEUVD-2026-49926 HIGH
Heap-based Buffer Overflow (CWE-122)
2026-07-28 mitre GHSA-ggph-9w4x-rf98
8.8
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Jul 28, 2026 - 19:22 vuln.today
CVSS changed
Jul 28, 2026 - 18:22 NVD
8.8 (HIGH)
CVE Published
Jul 28, 2026 - 00:00 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 28, 2026 - 00:00 cve.org
HIGH 8.8

DescriptionCVE.org

In schreibfaul1 ESP32-audioI2S 3.4.5, a heap-based buffer overflow in the ID3v2 APIC frame parsing function in audiolib allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a crafted MP3 file. The vulnerability exists due to missing length validation when processing the APIC frame size field, leading to an out-of-bounds memory write.

AnalysisAI

Heap-based buffer overflow in ESP32-audioI2S 3.4.5’s ID3v2 APIC frame parser lets remote attackers execute arbitrary code or crash vulnerable devices by supplying a crafted MP3 file. A proof-of-concept exploit is publicly available, but no active exploitation has been confirmed.

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CVE-2026-51275 vulnerability details – vuln.today

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