What is CVE-2025-51678?

CVE-2025-51678 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 2026-07-17.

How severe is CVE-2025-51678?

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

Buffer overflow in N/a

CVE-2025-51678

An issue was discovered in RISC-V PicoRV32 commit 87c89a. A mismatch in the PCPI INSN and memory address can lead to unexpected behavior.

Vulnerability class: Buffer Overflow

EPSS: 0.006 (46.7th percentile) — read the EPSS interpretation.

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
CWE-704 — Incorrect Type Conversion or Cast

References

cve@mitre.org
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2025-51678?: CVE-2025-51678 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 2026-07-17.
How severe is CVE-2025-51678?: High severity. CVSS v3 base score is 7.5 out of 10.