CVE-2026-3463

See a problem?
Please try reporting it to the source first.
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
2026-03-03T12:16:06.880Z
Modified
2026-03-14T15:06:06.356157Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
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.

References

Affected packages

Git / github.com/xlnt-community/xlnt

Affected ranges

Type
GIT
Repo
https://github.com/xlnt-community/xlnt
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
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-2026-3463.json"