CVE-2026-111127

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Source
https://cve.org/CVERecord?id=CVE-2026-111127
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111127.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-111127
Downstream
Published
2026-10-15T18:57:23Z
Modified
2026-10-28T02:30:53Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
catdoc through 0.95 Out-of-Bounds Read via xls2csv copy_unicode_string
Details

catdoc through 0.95 contains an out-of-bounds read vulnerability in copy_unicode_string() in src/xlsparse.c that allows attackers to read past buffers via an unchecked string character count. Attackers can supply a crafted .xls file declaring 0xFFFF two-byte characters in LABEL, STRING, or SST records to disclose adjacent memory through xls2csv output or crash the process.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111127.json"
}
References

Affected packages

Git / github.com/vbwagner/catdoc

Affected ranges

Type
GIT
Repo
https://github.com/vbwagner/catdoc
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
38a2807d22ce1a08bc39b94e9072a9f8f52cd86f
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "last_affected": "0.95"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "last_affected": "0.95"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}

Affected versions

Other
REL_0_94_1
REL_0_94_2
REL_0_95
fromlynx

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111127.json"