Moderate: Red Hat Security Advisory: libreoffice security update

An update for libreoffice is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fro...

LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents

A flaw was found in LibreOffice. A remote attacker could exploit this out-of-bounds write vulnerability by tricking a user into opening a specially crafted OOXML Office Open XML document with mismatched encryption salt parameters. This could lead to a denial of service DoS, making the application...

UBUNTU-CVE-2026-6047

LibreOffice can import documents in the OOXML format DOCX. A heap buffer overflow existed when replaying deferred parser events for a text box element. A handler object was assumed to be of one type and written to at that type's field layout, but it could be a smaller object, so the write landed...

CVE-2026-6047 Heap buffer overflow in OOXML text box element import

LibreOffice can import documents in the OOXML format DOCX. A heap buffer overflow existed when replaying deferred parser events for a text box element. A handler object was assumed to be of one type and written to at that type's field layout, but it could be a smaller object, so the write landed...

CVE-2026-6047 Heap buffer overflow in OOXML text box element import

LibreOffice can import documents in the OOXML format DOCX. A heap buffer overflow existed when replaying deferred parser events for a text box element. A handler object was assumed to be of one type and written to at that type's field layout, but it could be a smaller object, so the write landed...

CVE-2026-6047

CVE-2026-6047 : LibreOffice is affected during OOXML (DOCX) import of a text box element. The issue is a heap buffer overflow that occurs when replaying deferred parser events; a handler object may be written using a layout for a larger type, causing writes past the allocation end. The root cause...

CVE-2026-6047

LibreOffice can import documents in the OOXML format DOCX. A heap buffer overflow existed when replaying deferred parser events for a text box element. A handler object was assumed to be of one type and written to at that type's field layout, but it could be a smaller object, so the write landed...

EUVD-2025-210133

Stack overflow vulnerability in Avast Antivirus when scanning a malformed Office Open XML file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for virus...

CVE-2025-7019

CVE-2025-7019 describes a stack overflow in Avast/Gen Digital antivirus scanning of malformed Office Open XML files, causing Denial-of-Service of the antivirus process. Affected products include Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows/m...

CVE-2025-7019 Avast antivirus stack overflow when scanning a malformed Office Open XML file

Stack overflow vulnerability in Avast Antivirus when scanning a malformed Office Open XML file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for virus...

CVE-2025-7019 Avast antivirus stack overflow when scanning a malformed Office Open XML file

Stack overflow vulnerability in Avast Antivirus when scanning a malformed Office Open XML file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for virus...

PT-2026-49019

Name of the Vulnerable Software and Affected Versions Avast Antivirus versions prior to VPS 25020100 AVG Antivirus versions prior to VPS 25020100 Norton Antivirus versions prior to VPS 25020100 Avast One versions prior to VPS 25020100 Avast Business Antivirus versions prior to VPS 25020100...

Ubuntu 25.10 / 26.04 LTS : LibreOffice vulnerability (USN-8352-1)

The remote Ubuntu 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8352-1 advisory. Duc Anh Nguyen discovered that LibreOffice incorrectly handled mismatched encryption salt parameters in crafted OOXML documents. An attacker could use thi...

USN-8352-1 libreoffice vulnerability

Duc Anh Nguyen discovered that LibreOffice incorrectly handled mismatched encryption salt parameters in crafted OOXML documents. An attacker could use this issue to cause LibreOffice to crash, resulting in a denial of service, or possibly execute arbitrary code...

Ubuntu 22.04 LTS / 24.04 LTS : LibreOffice vulnerability (USN-8340-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8340-1 advisory. Duc Anh Nguyen discovered that LibreOffice incorrectly handled mismatched encryption salt parameters in crafted OOXML documents. An attacker could use...

USN-8340-1 libreoffice vulnerability

Duc Anh Nguyen discovered that LibreOffice incorrectly handled mismatched encryption salt parameters in crafted OOXML documents. An attacker could use this issue to cause LibreOffice to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8340-1: LibreOffice vulnerability

Duc Anh Nguyen discovered that LibreOffice incorrectly handled mismatched encryption salt parameters in crafted OOXML documents. An attacker could use this issue to cause LibreOffice to crash, resulting in a denial of service, or possibly execute arbitrary code...

CVE-2026-46722 XML External Entity Injection in extension "Faceted Search" (ke_search)

The OOXML parsing of the file indexer does not disable external entity resolution. A crafted xlsx or pptx document placed in an indexed directory can cause local files to be read or outbound HTTP requests to be performed, with the retrieved content being written to the search index...

EUVD-2026-30859

The OOXML parsing of the file indexer does not disable external entity resolution. A crafted xlsx or pptx document placed in an indexed directory can cause local files to be read or outbound HTTP requests to be performed, with the retrieved content being written to the search index...

CVE-2026-46722 XML External Entity Injection in extension "Faceted Search" (ke_search)

The OOXML parsing of the file indexer does not disable external entity resolution. A crafted xlsx or pptx document placed in an indexed directory can cause local files to be read or outbound HTTP requests to be performed, with the retrieved content being written to the search index...