Ubuntu Security NoticesUSN-8868-1

USN-8868-1: LibreOffice vulnerabilities

It was discovered that LibreOffice incorrectly handled WMF image imports. An attacker could possibly use this issue to cause LibreOffice to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-63272) It was discovered that LibreOffice incorrectly handled PDF document imports. An attacker could possibly use this issue to cause LibreOffice to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-63273, CVE-2026-63274) It was discovered that LibreOffice incorrectly handled CFF fonts embedded in documents. An attacker could possibly use this issue to cause LibreOffice to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-63275, CVE-2026-63276) It was discovered that LibreOffice incorrectly validated package URLs. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-63278) It was discovered that LibreOffice incorrectly handled PICT image imports. An attacker could possibly use this issue to cause LibreOffice to crash, resulting in a denial of service, or obtain sensitive information. (CVE-2026-63279) It was discovered that LibreOffice incorrectly mitigated out-of-bounds writes via Graphite font actions. An attacker could possibly use this issue to cause LibreOffice to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-50593)

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Scope

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Next step

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(CVE-2026-63279) It was discovered that LibreOffice incorrectly mitigated out-of-bounds writes via Graphite font actions.

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Timeline

When this advisory changed

Oct 5, 2026 at 1:14 PM UTC
Published by Ubuntu
The publication date reported by the vendor.
Oct 5, 2026 at 2:45 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 5, 2026 at 4:05 PM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-63272View CVSS, KEV, EPSS, and threat context CVE-2026-63273View CVSS, KEV, EPSS, and threat context CVE-2026-63274View CVSS, KEV, EPSS, and threat context CVE-2026-63275View CVSS, KEV, EPSS, and threat context CVE-2026-63276View CVSS, KEV, EPSS, and threat context CVE-2026-63278View CVSS, KEV, EPSS, and threat context CVE-2026-63279View CVSS, KEV, EPSS, and threat context CVE-2026-50593View CVSS, KEV, EPSS, and threat context

Source

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Vendor: Ubuntu
Advisory ID: USN-8868-1
Last source check: Oct 5, 2026 at 4:05 PM UTC

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