CVE-2017-6349

9.8 CRITICAL

Published: February 27, 2017 Modified: May 13, 2026

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.securityfocus.com/bid/96451

Source: cve@mitre.org

http://www.securitytracker.com/id/1037949

Source: cve@mitre.org

https://github.com/vim/vim/commit/3eb1637b1bba19519885dd6d377bd5596e91d22c

Source: cve@mitre.org

Patch Third Party Advisory

https://groups.google.com/forum/#%21topic/vim_dev/LAgsTcdSfNA

Source: cve@mitre.org

https://groups.google.com/forum/#%21topic/vim_dev/QPZc0CY9j3Y

Source: cve@mitre.org

https://security.gentoo.org/glsa/201706-26

Source: cve@mitre.org

https://usn.ubuntu.com/4309-1/

Source: cve@mitre.org

http://www.securityfocus.com/bid/96451