CVE-2023-0950 Array Index UnderFlow in Calc Formula Parsing

What is CVE-2023-0950?

CVE-2023-0950 is a high-severity vulnerability in Debian Debian Linux, published on 25 May 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Improper Validation of Array Index vulnerability in the spreadsheet component of The Document Foundation LibreOffice allows an attacker to craft a spreadsheet document that will cause an array index underflow when loaded. In the affected versions of LibreOffice certain malformed spreadsheet formulas, such as AGGREGATE, could be created with less parameters passed to the formula interpreter than it expected, leading to an array index underflow, in which case there is a risk that arbitrary code could be executed. This issue affects: The Document Foundation LibreOffice 7.4 versions prior to 7.4.6; 7.5 versions prior to 7.5.1.

Weakness: CWE-129

Which versions are affected by CVE-2023-0950?

It affects 2 products.

Products include Debian Debian Linux, Libreoffice Libreoffice.

How do I fix CVE-2023-0950?

Upgrade to a fixed version.

Is CVE-2023-0950 being exploited?

There is no known exploitation of CVE-2023-0950 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2023-0950, GHSA-qv23-hw3g-384q, UBUNTU-CVE-2023-0950.