Security advisory

{
  "id": "3ee40699cb3a9e2e32585b1f3ece04323bad3b843d30f38ce651b82ec5836c3a",
  "url": "https://osv.dev/vulnerability/CVE-2020-29363",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-29363",
    "summary": "An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE, the receiving entity may not allocate sufficient length for the buffer to store the deserialized value.",
    "evidence": "osv:CVE-2020-29363",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-29363",
      "aliases": [
        "CVE-2020-29363",
        "GHSA-5j67-fw89-fp6x"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/p11-glue/p11-kit",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9cbf590b468f9596284c5bc34be8add09f3f5bee"
                },
                {
                  "fixed": "bd97afbfe28d5fbbde95ce36ff7a8834fc0291ee"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:p11-kit_project:p11-kit:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.23.6"
                      },
                      {
                        "fixed": "0.23.22"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.23.21",
            "0.23.20",
            "0.23.19",
            "0.23.18.1",
            "0.23.18",
            "0.23.17",
            "0.23.16.1",
            "0.23.16",
            "0.23.15",
            "0.23.14",
            "0.23.13",
            "0.23.12",
            "0.23.11",
            "0.23.10",
            "0.23.7",
            "0.23.6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-29363.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:14.815428556Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
        "https://github.com/p11-glue/p11-kit/releases",
        "https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5j67-fw89-fp6x",
        "https://www.debian.org/security/2021/dsa-4822",
        "https://www.oracle.com/security-alerts/cpuapr2022.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "oracle:communications_cloud_native_core_policy",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.14.0"
                  },
                  {
                    "last_affected": "1.14.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-29363",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384242,
  "published_at": "2020-12-16T14:15:12.84+00:00"
}