Skip to content
Heist/ feed
Back to feed
High

Security advisory

Type: advisorySources: OSVCVE: CVE-2019-17533

Mat_VarReadNextInfo4 in mat4.c in MATIO 1.5.17 omits a certain '\0' character, leading to a heap-based buffer over-read in strdup_vprintf when uninitialized memory is accessed.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2019-17533
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 12:35 UTC · Revision 1

Source evidence

CVE-2019-17533

core-osv · Original source

Published 13 Oct 2019, 02:15 UTC

Mat_VarReadNextInfo4 in mat4.c in MATIO 1.5.17 omits a certain '\0' character, leading to a heap-based buffer over-read in strdup_vprintf when uninitialized memory is accessed.

osv:CVE-2019-17533
Complete source record
{
  "id": "2a17f22b143dde1332a4551d78224e55d93ad80b04177d3d2649c10dbb47f8d2",
  "url": "https://osv.dev/vulnerability/CVE-2019-17533",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-17533",
    "summary": "Mat_VarReadNextInfo4 in mat4.c in MATIO 1.5.17 omits a certain '\\0' character, leading to a heap-based buffer over-read in strdup_vprintf when uninitialized memory is accessed.",
    "evidence": "osv:CVE-2019-17533",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-17533",
      "aliases": [
        "CVE-2019-17533"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/tbeu/matio",
              "type": "GIT",
              "events": [
                {
                  "introduced": "64f793668e09216029447990702c145403d14375"
                },
                {
                  "last_affected": "64f793668e09216029447990702c145403d14375"
                },
                {
                  "fixed": "651a8e28099edb5fbb9e4e1d4d3238848f446c9a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:matio_project:matio:1.5.17:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.5.17"
                      },
                      {
                        "last_affected": "1.5.17"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "651a8e28099edb5fbb9e4e1d4d3238848f446c9a"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.5.17",
            "v1.5.17"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-17533.json",
            "vanir_signatures": [
              {
                "id": "CVE-2019-17533-1307ee52",
                "digest": {
                  "length": 3298,
                  "function_hash": "205811938888553217331842022420426854759"
                },
                "source": "https://github.com/tbeu/matio/commit/651a8e28099edb5fbb9e4e1d4d3238848f446c9a",
                "target": {
                  "file": "src/mat4.c",
                  "function": "Mat_VarReadNextInfo4"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2019-17533-730e9293",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "7059400987733087616963799308465528228",
                    "172194048184740837147706244096207367441",
                    "11008142120288460047478546057630470305",
                    "118363409637962522163582127842591436849"
                  ]
                },
                "source": "https://github.com/tbeu/matio/commit/651a8e28099edb5fbb9e4e1d4d3238848f446c9a",
                "target": {
                  "file": "src/mat4.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:55:34Z"
          }
        }
      ],
      "modified": "2026-10-20T13:55:34.000226417Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2020/06/msg00037.html",
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16856",
        "https://github.com/tbeu/matio/commit/651a8e28099edb5fbb9e4e1d4d3238848f446c9a"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-17533",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388386,
  "published_at": "2019-10-13T02:15:12.22+00:00"
}