CVE-2026-63272

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{"bugzilla": {"description": "libreoffice: LibreOffice: Heap buffer overflow in WMF text record import", "id": "2537978", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2537978"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.6", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in LibreOffice. When processing embedded Windows Metafile (WMF) graphics, a heap buffer overflow can occur during the import of text records. This vulnerability arises because the application reads the character advance values and text length independently, which can lead to a mismatch and out-of-bounds memory access. A remote attacker could exploit this flaw by crafting a malicious WMF file, potentially leading to a denial of service or arbitrary code execution."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, users should exercise caution when opening untrusted documents, especially those containing WMF graphics. If LibreOffice is not required, consider removing the package to eliminate the attack surface. On server systems, LibreOffice is typically not installed by default, thus reducing exposure."}, "name": "CVE-2026-63272", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libreoffice", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libreoffice", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libreoffice", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "libreoffice", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-09-22T11:10:03Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-63272\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-63272\nhttps://www.libreoffice.org/about-us/security/advisories/cve-2026-63272"], "threat_severity": "Moderate"}

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