ZDI-26-781: LibreOffice EMF+ Brush Integer Overflow Remote Code Execution Vulnerability
ZDI disclosed a LibreOffice EMF+ integer overflow that can enable remote code execution.
The Zero Day Initiative published ZDI-26-781, an integer overflow in LibreOffice EMF+ brush handling that can lead to remote code execution. Exploitation requires a user to open a malicious file or visit a malicious page. ZDI rated the issue CVSS 7.8 and assigned CVE-2026-6045. The advisory does not report observed exploitation.
- ZDI-26-781 covers an EMF+ brush integer overflow in LibreOffice.
- Successful exploitation can allow remote arbitrary code execution.
- The target must open a malicious file or visit a malicious page.
- ZDI assigned CVSS 7.8 and CVE-2026-6045.
- CVEs
- CVE-2026-6045
- Vendors
- The Document Foundation
- Products
- LibreOffice
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-6045 | LibreOffice can import EMF+ graphics, which may be embedded in documents | 5.4 | <1% |
From the original article
This vulnerability allows remote attackers to execute arbitrary code on affected installations of LibreOffice. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.
zerodayinitiative.com
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