LibreOffice dBase parser heap overflow allows code execution
Original title: ZDI-26-895: LibreOffice dBase File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
ZDI rates CVE-2026-76181 at CVSS 7.8 and says the target must open a malicious file or page.
ZDI published ZDI-26-895, a heap-based buffer overflow in LibreOffice dBase file parsing tracked as CVE-2026-76181. Remote attackers can execute arbitrary code on affected installations, but the target must visit a malicious page or open a malicious file. ZDI assigned a CVSS rating of 7.8. The advisory snippet does not name affected or fixed versions or say whether the flaw is being exploited.
Unconfirmed: Affected and fixed versions are not stated in the advisory snippet.
- ZDI advisory ID is ZDI-26-895.
- The flaw is in dBase file parsing.
- CVSS rating assigned by ZDI is 7.8.
- Exploitation requires the user to open a file or visit a page.
Impact: Remote arbitrary code execution after a user opens content
| Product | Affected |
|---|---|
| LibreOffice | — |
- CVEs
- CVE-2026-76181
- Products
- LibreOffice
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-76181 | Heap overflow in LibreOffice dBASE .ndx index parsing | 5.4 | — |
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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