CVE-2025-51675

Program Counter Update Error Causes Denial of Service in openRISC OR1200

Published Aug 26, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
An issue was discovered in openRISC OR1200 commit 83ac6b. An inaccurate update of program counter (PC) values when SPR changes can lead to a Denial of Service (DoS).

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Title Program Counter Update Error Causes Denial of Service in openRISC OR1200
Type Values Removed Values Added
Title Denial‑of‑Service via Inaccurate Program Counter Update in openRISC OR1200
Weaknesses CWE-682
Type Values Removed Values Added
Weaknesses CWE-691
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Denial‑of‑Service via Inaccurate Program Counter Update in openRISC OR1200
Weaknesses CWE-682
Type Values Removed Values Added
First Time appeared Openrisc
Openrisc or1200
Vendors & Products Openrisc
Openrisc or1200
Type Values Removed Values Added
Description An issue was discovered in openRISC OR1200 commit 83ac6b. An inaccurate update of program counter (PC) values when SPR changes can lead to a Denial of Service (DoS).
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 27, 2026, 6:09 PM
Reserved
Jun 16, 2025, 12:00 AM
Status
Deferred
Published
Aug 26, 2026, 9:16 PM
Modified
Nov 4, 2026, 8:10 PM