# The Document Foundation LibreOffice vulnerabilities

Source: https://junglewise.ai/threats/technologies/libreoffice  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/libreoffice.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in The Document Foundation LibreOffice: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-63269, was published on 5 October 2026. Nothing in the last four weeks, down from 2 vulnerabilities in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 2
- All time: 8 (0 critical, 0 exploited in the wild)

## About The Document Foundation LibreOffice

LibreOffice is a free and open-source office productivity suite.

## Latest The Document Foundation LibreOffice vulnerabilities

- [CVE-2026-63269: LibreOffice information disclosure via HLS playlist in GStreamer](https://junglewise.ai/threats/cve-2026-63269-libreoffice-can-link-to-audio-and-video-files-from-a-document-and) (info, published 5 Oct 2026)
- [CVE-2026-63278: LibreOffice environment variable and INI file expansion in URLs](https://junglewise.ai/threats/cve-2026-63278-urls-could-be-constructed-which-expanded-environment-variable-or) (info, published 22 Sep 2026)
- [CVE-2026-8357: LibreOffice Calc heap buffer overflow in formula compilation](https://junglewise.ai/threats/cve-2026-8357-libreoffice-calc-heap-buffer-overflow-in-formula-compilation) (info, CVSS 5.4, published 15 Jun 2026)
- [CVE-2026-8356: LibreOffice stack buffer overflow in PPT colour-replacement import](https://junglewise.ai/threats/cve-2026-8356-libreoffice-stack-buffer-overflow-in-ppt-colour-replacement-import) (info, CVSS 5.4, published 15 Jun 2026)
- [CVE-2026-6047: LibreOffice heap buffer overflow in OOXML import](https://junglewise.ai/threats/cve-2026-6047-libreoffice-heap-buffer-overflow-in-ooxml-import) (info, CVSS 5.4, published 15 Jun 2026)
- [CVE-2026-6045: The Document Foundation LibreOffice heap buffer overflow in EMF+ import](https://junglewise.ai/threats/cve-2026-6045-the-document-foundation-libreoffice-heap-buffer-overflow-in-emf) (info, CVSS 5.4, published 15 Jun 2026)
- [CVE-2026-6040: The Document Foundation LibreOffice use-after-free in ODF import](https://junglewise.ai/threats/cve-2026-6040-the-document-foundation-libreoffice-use-after-free-in-odf-import) (info, CVSS 5.4, published 15 Jun 2026)
- [CVE-2026-6039: The Document Foundation LibreOffice heap overflow in DXF import](https://junglewise.ai/threats/cve-2026-6039-the-document-foundation-libreoffice-heap-overflow-in-dxf-import) (info, CVSS 5.4, published 15 Jun 2026)

## Most severe The Document Foundation LibreOffice vulnerabilities

- [CVE-2026-8357: LibreOffice Calc heap buffer overflow in formula compilation](https://junglewise.ai/threats/cve-2026-8357-libreoffice-calc-heap-buffer-overflow-in-formula-compilation) (info, CVSS 5.4, published 15 Jun 2026)
- [CVE-2026-8356: LibreOffice stack buffer overflow in PPT colour-replacement import](https://junglewise.ai/threats/cve-2026-8356-libreoffice-stack-buffer-overflow-in-ppt-colour-replacement-import) (info, CVSS 5.4, published 15 Jun 2026)
- [CVE-2026-6047: LibreOffice heap buffer overflow in OOXML import](https://junglewise.ai/threats/cve-2026-6047-libreoffice-heap-buffer-overflow-in-ooxml-import) (info, CVSS 5.4, published 15 Jun 2026)
- [CVE-2026-6045: The Document Foundation LibreOffice heap buffer overflow in EMF+ import](https://junglewise.ai/threats/cve-2026-6045-the-document-foundation-libreoffice-heap-buffer-overflow-in-emf) (info, CVSS 5.4, published 15 Jun 2026)
- [CVE-2026-6040: The Document Foundation LibreOffice use-after-free in ODF import](https://junglewise.ai/threats/cve-2026-6040-the-document-foundation-libreoffice-use-after-free-in-odf-import) (info, CVSS 5.4, published 15 Jun 2026)
- [CVE-2026-6039: The Document Foundation LibreOffice heap overflow in DXF import](https://junglewise.ai/threats/cve-2026-6039-the-document-foundation-libreoffice-heap-overflow-in-dxf-import) (info, CVSS 5.4, published 15 Jun 2026)
- [CVE-2026-63278: LibreOffice environment variable and INI file expansion in URLs](https://junglewise.ai/threats/cve-2026-63278-urls-could-be-constructed-which-expanded-environment-variable-or) (info, published 22 Sep 2026)
- [CVE-2026-63269: LibreOffice information disclosure via HLS playlist in GStreamer](https://junglewise.ai/threats/cve-2026-63269-libreoffice-can-link-to-audio-and-video-files-from-a-document-and) (info, published 5 Oct 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 2 vulnerabilities in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 1 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 1 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "The Document Foundation LibreOffice vulnerabilities", https://junglewise.ai/threats/technologies/libreoffice, 9 November 2026.