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Updated libreoffice package fixes security vulnerabilities

Type: advisorySources: OSV

Arbitrary file write via calcext:data-mappings, sql provider and Firebird backup functionality. (CVE-2026-63266) LFI and GET SSRF via calcext:data-mappings and csv provider. (CVE-2026-63267) LFI via calcext:data-mappings, sql provider and sdbc:flat:file:// db href. (CVE-2026-63268) LFI and GET SSRF via GStreamer and HLS playlists. (CVE-2026-63269) Environment/ini-file leaks. (CVE-2026-63270) Heap buffer overflow in WMF text record import. (CVE-2026-63272) Heap buffer overflow in PDF import encryption handling. (CVE-2026-63273) Heap buffer overflow in PDF import stream handling. (CVE-2026-63274) Stack buffer overflow in CFF font hint handling. (CVE-2026-63275) Stack buffer overflow in CFF to Type 1 font conversion. (CVE-2026-63276) RCE via calcext:data-mappings, sql provider and jdbc connector. (CVE-2026-63277) Package URLs can be used to exfiltrate arbitrary INI file values and environment variables. (CVE-2026-63278) Out of bounds read in PICT image import. (CVE-2026-63279)

Products
libreoffice
Affected versions
Not specified
Fixed versions
26.2.6.3-1.mga10
CVEs
CVE-2026-63266, CVE-2026-63267, CVE-2026-63268, CVE-2026-63269, CVE-2026-63270, CVE-2026-63272, CVE-2026-63273, CVE-2026-63274, CVE-2026-63275, CVE-2026-63276, CVE-2026-63277, CVE-2026-63278, CVE-2026-63279
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 23:20 UTC · Revision 1

Source evidence

Updated libreoffice package fixes security vulnerabilities

core-osv · Original source

Published 17 Oct 2026, 03:21 UTC

Arbitrary file write via calcext:data-mappings, sql provider and Firebird backup functionality. (CVE-2026-63266) LFI and GET SSRF via calcext:data-mappings and csv provider. (CVE-2026-63267) LFI via calcext:data-mappings, sql provider and sdbc:flat:file:// db href. (CVE-2026-63268) LFI and GET SSRF via GStreamer and HLS playlists. (CVE-2026-63269) Environment/ini-file leaks. (CVE-2026-63270) Heap buffer overflow in WMF text record import. (CVE-2026-63272) Heap buffer overflow in PDF import encryption handling. (CVE-2026-63273) Heap buffer overflow in PDF import stream handling. (CVE-2026-63274) Stack buffer overflow in CFF font hint handling. (CVE-2026-63275) Stack buffer overflow in CFF to Type 1 font conversion. (CVE-2026-63276) RCE via calcext:data-mappings, sql provider and jdbc connector. (CVE-2026-63277) Package URLs can be used to exfiltrate arbitrary INI file values and environment variables. (CVE-2026-63278) Out of bounds read in PICT image import. (CVE-2026-63279)

osv:MGASA-2026-0514

libreoffice

Fixed versions: 26.2.6.3-1.mga10

Complete source record
{
  "id": "c9598bd64cbee4564e15d6b5781ea7ec7a5007899fe7386fd49fbc3cdececd88",
  "url": "https://osv.dev/vulnerability/MGASA-2026-0514",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Updated libreoffice package fixes security vulnerabilities",
    "summary": "Arbitrary file write via calcext:data-mappings, sql provider and Firebird backup functionality. (CVE-2026-63266) LFI and GET SSRF via calcext:data-mappings and csv provider. (CVE-2026-63267) LFI via calcext:data-mappings, sql provider and sdbc:flat:file:// db href. (CVE-2026-63268) LFI and GET SSRF via GStreamer and HLS playlists. (CVE-2026-63269) Environment/ini-file leaks. (CVE-2026-63270) Heap buffer overflow in WMF text record import. (CVE-2026-63272) Heap buffer overflow in PDF import encryption handling. (CVE-2026-63273) Heap buffer overflow in PDF import stream handling. (CVE-2026-63274) Stack buffer overflow in CFF font hint handling. (CVE-2026-63275) Stack buffer overflow in CFF to Type 1 font conversion. (CVE-2026-63276) RCE via calcext:data-mappings, sql provider and jdbc connector. (CVE-2026-63277) Package URLs can be used to exfiltrate arbitrary INI file values and environment variables. (CVE-2026-63278) Out of bounds read in PICT image import. (CVE-2026-63279)",
    "evidence": "osv:MGASA-2026-0514",
    "products": [
      {
        "name": {
          "value": "libreoffice",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "26.2.6.3-1.mga10",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "MGASA-2026-0514",
      "aliases": [
        "MGASA-2026-0514"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "26.2.6.3-1.mga10"
                }
              ]
            }
          ],
          "package": {
            "name": "libreoffice",
            "purl": "pkg:rpm/mageia/libreoffice?arch=source&distro=mageia-10",
            "ecosystem": "Mageia:10"
          },
          "database_specific": {
            "source": "https://advisories.mageia.org/MGASA-2026-0514.json"
          },
          "ecosystem_specific": {
            "section": "core"
          }
        }
      ],
      "modified": "2026-10-17T03:30:03.784898295Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-63266",
        "CVE-2026-63267",
        "CVE-2026-63268",
        "CVE-2026-63269",
        "CVE-2026-63270",
        "CVE-2026-63272",
        "CVE-2026-63273",
        "CVE-2026-63274",
        "CVE-2026-63275",
        "CVE-2026-63276",
        "CVE-2026-63277",
        "CVE-2026-63278",
        "CVE-2026-63279"
      ],
      "references": [
        "https://advisories.mageia.org/MGASA-2026-0514.html",
        "https://bugs.mageia.org/show_bug.cgi?id=36383",
        "https://lists.debian.org/debian-security-announce/2026/msg00424.html",
        "https://www.libreoffice.org/security/#cve-2026-63272",
        "https://www.libreoffice.org/security/#cve-2026-63273",
        "https://www.libreoffice.org/security/#cve-2026-63274",
        "https://www.libreoffice.org/security/#cve-2026-63275",
        "https://www.libreoffice.org/security/#cve-2026-63276",
        "https://www.libreoffice.org/security/#cve-2026-63277",
        "https://www.libreoffice.org/security/#cve-2026-63278",
        "https://www.libreoffice.org/security/#cve-2026-63279",
        "https://lists.debian.org/debian-security-announce/2026/msg00457.html",
        "https://www.libreoffice.org/security/#cve-2026-63266",
        "https://www.libreoffice.org/security/#cve-2026-63267",
        "https://www.libreoffice.org/security/#cve-2026-63268",
        "https://www.libreoffice.org/security/#cve-2026-63269",
        "https://www.libreoffice.org/security/#cve-2026-63270",
        "https://ubuntu.com/security/notices/USN-8868-1"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-63266",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63267",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63268",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63269",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63270",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63272",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63273",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63274",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63275",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63276",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63277",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63278",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63279",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 350183,
  "published_at": "2026-10-17T03:21:49+00:00"
}