CVE-2023-34795

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Source
https://cve.org/CVERecord?id=CVE-2023-34795
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-34795.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-34795
Published
2023-06-16T00:00:00Z
Modified
2026-07-22T02:25:12.632617Z
Summary
[none]
Details

xlsxio v0.1.2 to v0.2.34 was discovered to contain a free of uninitialized pointer in the xlsxioreadsheetlistclose() function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted XLSX file.

Database specific 
{
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34795.json"
}
References

Affected packages

Git / github.com/brechtsanders/xlsxio

Affected ranges

Type
GIT
Repo
https://github.com/brechtsanders/xlsxio
Events
Introduced
c5f6fcbdc0fbb8e11a95e55dfe7a95d2d9c763d7
Fixed
d653f1604b54532f11b45dca1fa164b4a1f15e2d
Database specific 
{
    "cpe": "cpe:2.3:a:xlsxio_project:xlsxio:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0.1.2"
        },
        {
            "last_affected": "0.2.34"
        }
    ],
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

0.*
0.1.2
0.1.3
0.1.4
0.1.5
0.1.6
0.1.7
0.1.8
0.1.9
0.2.0
0.2.1
0.2.10
0.2.11
0.2.12
0.2.13
0.2.14
0.2.15
0.2.16
0.2.18
0.2.19
0.2.2
0.2.21
0.2.22
0.2.24
0.2.25
0.2.26
0.2.27
0.2.28
0.2.29
0.2.3
0.2.31
0.2.32
0.2.33
0.2.34
0.2.5
0.2.6
0.2.7
0.2.8

Database specific

vanir_signatures_modified 
"2026-07-22T02:25:12Z"
vanir_signatures 
[
    {
        "signature_type": "Function",
        "deprecated": false,
        "digest": {
            "length": 1112.0,
            "function_hash": "305902545275284073404997409807059961263"
        },
        "signature_version": "v1",
        "source": "https://github.com/brechtsanders/xlsxio/commit/d653f1604b54532f11b45dca1fa164b4a1f15e2d",
        "id": "CVE-2023-34795-64e1e53a",
        "target": {
            "function": "xlsxioread_sheetlist_open",
            "file": "lib/xlsxio_read.c"
        }
    },
    {
        "signature_type": "Line",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "302690977701771854163438072249211416321",
                "49738666660649064886705723745264120926",
                "138260580017980920614606923562183985925",
                "38231482405369132459825939103438119397"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/brechtsanders/xlsxio/commit/d653f1604b54532f11b45dca1fa164b4a1f15e2d",
        "id": "CVE-2023-34795-7257d3e3",
        "target": {
            "file": "lib/xlsxio_read.c"
        }
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-34795.json"