{"id":"CVE-2025-51678","title":"An issue was discovered in RISC-V PicoRV32 commit 87c89a","summary":"An issue was discovered in RISC-V PicoRV32 commit 87c89a. A mismatch in the PCPI INSN and memory address can lead to unexpected behavior.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-119","CWE-704"],"published":"2026-07-17","updated":"2026-10-13","sourceUpdated":"2026-10-13T09:10:00.323","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-51678","references":[{"url":"https://github.com/YosysHQ/picorv32/issues/269","label":"cve@mitre.org"},{"url":"https://mason.gmu.edu/~rsaravan/projects/synfuzz/cve/cve.html","label":"cve@mitre.org"},{"url":"https://www.arxiv.org/abs/2504.18812","label":"cve@mitre.org"}],"tags":["nvd"],"epss":0.00609,"epssPercentile":0.47673,"ingestedAt":"2026-10-13T09:20:23.174Z","slug":"CVE-2025-51678","body":"## Overview\n\nAn issue was discovered in RISC-V PicoRV32 commit 87c89a. A mismatch in the PCPI INSN and memory address can lead to unexpected behavior.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}