CVE-2024-12426: libreoffice Information Disclosure

Description

Exposure of Environmental Variables and arbitrary INI file values to an Unauthorized Actor vulnerability in The Document Foundation LibreOffice. URLs could be constructed which expanded environmental variables or INI file values, so potentially sensitive information could be exfiltrated to a remote server on opening a document containing such links. This issue affects LibreOffice: from 24.8 before < 24.8.4.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
libreoffice	libreoffice	24.8.0.1 — 24.8.4
libreoffice	libreoffice	All
libreoffice	libreoffice	All
debian	debian_linux	All

References

Advisories & Patches

https://www.libreoffice.org/about-us/security/advisories/cve-2024-12426

Other References

https://lists.debian.org/debian-lts-announce/2025/01/msg00013.html

Frequently Asked Questions

What is CVE-2024-12426? +

Exposure of Environmental Variables and arbitrary INI file values to an Unauthorized Actor vulnerability in The Document Foundation LibreOffice. URLs could be constructed which expanded environmental variables or INI file values, so potentially sensitive information could be exfiltrated to a remote server on opening a document containing such links. This issue affects LibreOffice: from 24.8 before < 24.8.4. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-12426? +

CVE-2024-12426 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-12426? +

CVE-2024-12426 affects products from debian, libreoffice, specifically: debian_linux, libreoffice. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-12426? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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