ECJ-PAKE Integer Underflow Vulnerability in Silicon Labs PSA Crypto and SE Manager APIs

{
  "id": "42eddb9d56cd5511158f4261d7f6cc2f85f4110094844b8d92495be013e10e8d",
  "url": "https://osv.dev/vulnerability/CVE-2025-14547",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ECJ-PAKE Integer Underflow Vulnerability in Silicon Labs PSA Crypto and SE Manager APIs",
    "summary": "An integer underflow vulnerability is present in Silicon Lab’s implementation of PSA Crypto and SE Manager EC-JPAKE APIs during ZKP parsing. Triggering the underflow can lead to a hard fault, causing a temporary denial of service.",
    "evidence": "osv:CVE-2025-14547",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2025-14547",
      "aliases": [
        "CVE-2025-14547"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/siliconlabs/simplicity_sdk",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "9932cb11b84037b7dea086bb375cb1a039134507"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2025.6.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2025.6.2",
            "v2025.6.1",
            "v2025.6.0",
            "v2024.12.2",
            "v2024.12.1-0",
            "v2024.12.0",
            "v2024.6.2",
            "v2024.6.1-0",
            "v2024.6.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-14547.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.245157491Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/14xxx/CVE-2025-14547.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-14547",
        "https://community.silabs.com/068Vm00000e1UTF",
        "https://github.com/SiliconLabs/gsdk",
        "https://github.com/SiliconLabs/simplicity_sdk"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-191"
        ],
        "cna_assigner": "Silabs",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "2.5.x"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/14xxx/CVE-2025-14547.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-14547",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 488627,
  "published_at": "2026-02-20T14:11:05.529+00:00"
}