CVE-2026-110600

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Source
https://cve.org/CVERecord?id=CVE-2026-110600
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-110600.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-110600
Published
2026-10-14T14:16:42Z
Modified
2026-10-28T02:30:42Z
Severity
  • 6.8 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
xlsxio through 0.2.37 NULL Pointer Dereference via Worksheet Relationship Without Id
Details

xlsxio through 0.2.37 contains a NULL pointer dereference vulnerability in main_sheet_get_sheetfile_expat_callback_element_start() in lib/xlsxio_read.c that allows attackers to crash applications via crafted files. Attackers can supply a .xlsx file whose workbook.xml.rels contains a worksheet Relationship lacking an Id attribute, crashing the process when xlsxioread_sheet_open() is called.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-476"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110600.json"
}
References

Affected packages

Git / github.com/brechtsanders/xlsxio

Affected ranges

Type
GIT
Repo
https://github.com/brechtsanders/xlsxio
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
a8b74053127033fcd4788c1a3e651e47c79aa21d
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "last_affected": "0.2.37"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "last_affected": "0.2.37"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}

Affected versions

0.*
0.1.0
0.1.1
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
0.2.35
0.2.36
0.2.37
0.2.5
0.2.6
0.2.7
0.2.8

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-110600.json"