CVE-2019-17533

MatVarReadNextInfo4 in mat4.c in MATIO 1.5.17 omits a certain '\0' character, leading to a heap-based buffer over-read in strdupvprintf when uninitialized memory is accessed.

Database specific

{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING",
            "extracted_events": [
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                }
            ],
            "vendor_product": "debian:debian_linux"
        }
    ]
}

References

Affected packages

Git / github.com/tbeu/matio

Affected ranges

Type

GIT

Repo

https://github.com/tbeu/matio

Events

Introduced

64f793668e09216029447990702c145403d14375

Last affected

64f793668e09216029447990702c145403d14375

Fixed

651a8e28099edb5fbb9e4e1d4d3238848f446c9a

Database specific

{
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "1.5.17"
        },
        {
            "last_affected": "1.5.17"
        }
    ],
    "cpe": "cpe:2.3:a:matio_project:matio:1.5.17:*:*:*:*:*:*:*"
}

Affected versions

1.*

1.5.17

v1.*

v1.5.17

Database specific

vanir_signatures

[
    {
        "digest": {
            "length": 3298.0,
            "function_hash": "205811938888553217331842022420426854759"
        },
        "id": "CVE-2019-17533-1307ee52",
        "target": {
            "function": "Mat_VarReadNextInfo4",
            "file": "src/mat4.c"
        },
        "source": "https://github.com/tbeu/matio/commit/651a8e28099edb5fbb9e4e1d4d3238848f446c9a",
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Function"
    },
    {
        "digest": {
            "line_hashes": [
                "7059400987733087616963799308465528228",
                "172194048184740837147706244096207367441",
                "11008142120288460047478546057630470305",
                "118363409637962522163582127842591436849"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2019-17533-730e9293",
        "target": {
            "file": "src/mat4.c"
        },
        "source": "https://github.com/tbeu/matio/commit/651a8e28099edb5fbb9e4e1d4d3238848f446c9a",
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Line"
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-17533.json"

vanir_signatures_modified

"2026-07-08T20:15:49Z"