CVE-2026-3463

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Source
https://cve.org/CVERecord?id=CVE-2026-3463
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3463.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-3463
Published
2026-03-03T12:02:10.570Z
Modified
2026-07-15T01:49:00.883155161Z
Severity
  • 1.9 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
xlnt-community xlnt Compound Document binary.hpp append heap-based overflow
Details

A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::binary_writer::append of the file source/detail/binary.hpp of the component Compound Document Parser. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. Patch name: 147. It is suggested to install a patch to address this issue.

Database specific 
{
    "cwe_ids": [
        "CWE-119",
        "CWE-122"
    ],
    "cna_assigner": "VulDB",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3463.json"
}
References

Affected packages

Git / github.com/xlnt-community/xlnt

Affected ranges

Type
GIT
Repo
https://github.com/xlnt-community/xlnt
Events
Introduced
8b28e662cbd9e6c2ff3e020a8a163564cbc48e42
Last affected
3b25b084eab473bb6009b8e3d03ba5ff10bb4891
Database specific 
{
    "cpe": "cpe:2.3:a:xlnt-community:xlnt:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "1.6.0"
        },
        {
            "last_affected": "1.6.0"
        },
        {
            "introduced": "1.6.1"
        },
        {
            "last_affected": "1.6.1"
        },
        {
            "introduced": "0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ]
}

Affected versions

1.*
1.6.0
1.6.1
v1.*
v1.6.0
v1.6.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3463.json"