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...

RHEL 9 : libreoffice (RHSA-2026:38508)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:38508 advisory. LibreOffice is an open source, community-developed office productivity suite. It includes key desktop applications, such as a word processor, a...

Moderate: Red Hat Security Advisory: libreoffice security update

An update for libreoffice is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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...

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...

Moderate: Red Hat Security Advisory: libreoffice security update

An update for libreoffice is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring...

Moderate: Red Hat Security Advisory: libreoffice security update

An update for libreoffice is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common...

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...

RLSA-2026:28290 Moderate: libreoffice security update

LibreOffice is an open source, community-developed office productivity suite. It includes key desktop applications, such as a word processor, a spreadsheet, a presentation manager, a formula editor, and a drawing program. LibreOffice replaces OpenOffice and provides a similar but enhanced and...

RLSA-2026:28922 Moderate: libreoffice security update

LibreOffice is an open source, community-developed office productivity suite. It includes key desktop applications, such as a word processor, a spreadsheet, a presentation manager, a formula editor, and a drawing program. LibreOffice replaces OpenOffice and provides a similar but enhanced and...

RockyLinux 9 : libreoffice (RLSA-2026:28290)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:28290 advisory. LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents CVE-2026-4430 Tenable has extracted the preceding description block directly from the...

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...

ALSA-2026:28290 Moderate: libreoffice security update

LibreOffice is an open source, community-developed office productivity suite. It includes key desktop applications, such as a word processor, a spreadsheet, a presentation manager, a formula editor, and a drawing program. LibreOffice replaces OpenOffice and provides a similar but enhanced and...

CVE-2026-6047

A flaw was found in LibreOffice. This vulnerability, a heap buffer overflow, occurs when processing specially crafted OOXML Office Open XML documents. An attacker could create a malicious document that, when opened, causes a write beyond the intended memory boundary during the replaying of deferr...

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

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 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...

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...