What is CVE-2026-51251?

CVE-2026-51251 is a high-severity vulnerability in N/a, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2026-07-28.

How severe is CVE-2026-51251?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in N/a

CVE-2026-51251

Schreibfaul1 ESP32-audioI2S 3.4.5 has a buffer overflow vulnerability in the MP3Decoder::decode() function of the MP3 decoder due to missing size validation on untrusted mainDataBegin and nSlots values.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-51251?: CVE-2026-51251 is a high-severity vulnerability in N/a, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2026-07-28.
How severe is CVE-2026-51251?: High severity. CVSS v3 base score is 7.5 out of 10.