{"id":"CVE-2017-6349","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-6349","generatedAt":"2026-10-28T21:21:00.152Z","title":"An integer overflow at a u_read_undo memory allocation site would occur for vim before patch 8.0.0377, if it does not properly validate values for tree length when reading a corrupted undo file, which may lead to resultant buffer overflows.","description":"An integer overflow at a u_read_undo memory allocation site would occur for vim before patch 8.0.0377, if it does not properly validate values for tree length when reading a corrupted undo file, which may lead to resultant buffer overflows.","published":"2017-02-27T07:59:01.000Z","lastModified":"2026-06-17T01:22:12.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-190"],"affected":["vim/vim"],"epss":{"score":0.02718,"percentile":0.85944,"date":"2026-10-27","history":[]},"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 (2.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/96451","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1037949","source":"cve@mitre.org"},{"url":"https://github.com/vim/vim/commit/3eb1637b1bba19519885dd6d377bd5596e91d22c","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://groups.google.com/forum/#%21topic/vim_dev/LAgsTcdSfNA","source":"cve@mitre.org"},{"url":"https://groups.google.com/forum/#%21topic/vim_dev/QPZc0CY9j3Y","source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201706-26","source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/4309-1/","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/96451","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1037949","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/vim/vim/commit/3eb1637b1bba19519885dd6d377bd5596e91d22c","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://groups.google.com/forum/#%21topic/vim_dev/LAgsTcdSfNA","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://groups.google.com/forum/#%21topic/vim_dev/QPZc0CY9j3Y","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201706-26","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4309-1/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-6349","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."}