CVE-2026-3663

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Source

https://cve.org/CVERecord?id=CVE-2026-3663

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3663.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-3663

Published

2026-03-07T15:15:56.020Z

Modified

2026-03-15T22:52:35.218185Z

Severity

7.1 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVSS Calculator

Summary

[none]

Details

A vulnerability was found in xlnt-community xlnt up to 1.6.1. This issue affects the function xlnt::detail::compounddocumentistreambuf::xsgetn of the file source/detail/cryptography/compound_document.cpp of the component XLSX File Parser. Performing a manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit has been made public and could be used. The patch is named 147. It is recommended to apply a patch to fix this issue.

References

Affected packages

Git / github.com/xlnt-community/xlnt

Affected ranges

Type

GIT

Repo

https://github.com/xlnt-community/xlnt

Events

Introduced

Last affected

3b25b084eab473bb6009b8e3d03ba5ff10bb4891

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.6.1"
        }
    ]
}

Affected versions

v0.*

v0.9.0

v0.9.1

v0.9.2

v1.*

v1.0.0

v1.1.0

v1.2.0

v1.3.0

v1.4.0

v1.5.0

v1.6.0

v1.6.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3663.json"