{"id":"CVE-2018-10120","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-10120","generatedAt":"2026-10-28T20:47:59.782Z","title":"The SwCTBWrapper::Read function in sw/source/filter/ww8/ww8toolbar.cxx in LibreOffice before 5.4.6.1 and 6.x before 6.0.2.1 does not validate a customizations index, which allows remote attackers to cause a denial of service (heap-based buffer overflow…","description":"The SwCTBWrapper::Read function in sw/source/filter/ww8/ww8toolbar.cxx in LibreOffice before 5.4.6.1 and 6.x before 6.0.2.1 does not validate a customizations index, which allows remote attackers to cause a denial of service (heap-based buffer overflow with write access) or possibly have unspecified other impact via a crafted document that contains a certain Microsoft Word record.","published":"2018-04-16T09:58:11.000Z","lastModified":"2026-06-17T01:33:33.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-129","CWE-787"],"affected":["debian/debian linux","libreoffice/libreoffice","redhat/enterprise linux desktop","redhat/enterprise linux server","redhat/enterprise linux workstation","canonical/ubuntu linux"],"epss":{"score":0.02062,"percentile":0.81237,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.03712,"percentile":0.89295},{"date":"2026-09-22","score":0.02101,"percentile":0.80901}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2018:3054","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6173","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://gerrit.libreoffice.org/#/c/49486/","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://gerrit.libreoffice.org/#/c/49499/","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://gerrit.libreoffice.org/#/c/49500/","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://gerrit.libreoffice.org/gitweb?p=core.git%3Ba=commit%3Bh=017fcc2fcd00af17a97bd5463d89662404f57667","source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2018/04/msg00021.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/3883-1/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2018/dsa-4178","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.libreoffice.org/about-us/security/advisories/cve-2018-10120/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:3054","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6173","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gerrit.libreoffice.org/#/c/49486/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gerrit.libreoffice.org/#/c/49499/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gerrit.libreoffice.org/#/c/49500/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gerrit.libreoffice.org/gitweb?p=core.git%3Ba=commit%3Bh=017fcc2fcd00af17a97bd5463d89662404f57667","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2018/04/msg00021.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3883-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4178","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.libreoffice.org/about-us/security/advisories/cve-2018-10120/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-10120","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}