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Vulnerability record · CVE-2017-6350 · published 27 February 2017

CVE-2017-6350: Vim integer overflow vulnerability

Vim · Vim

An integer overflow at an unserialize_uep memory allocation site would occur for vim before patch 8.0.0378, if it does not properly validate values for tree length when reading a corrupted undo file, which may lead to resultant buffer overflows.

9.8 CVSS 3.0 Critical EPSS 3.2% · top 12.2% CWE-190 · Integer overflow
9.8CVSS 3.0 base score, v2 7.5
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

An integer overflow at an unserialize_uep memory allocation site would occur for vim before patch 8.0.0378, if it does not properly validate values for tree length when reading a corrupted undo file, which may lead to resultant buffer overflows.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/96448
http://www.securitytracker.com/id/1037949
https://github.com/vim/vim/commit/0c8485f0e4931463c0f7986e1ea84a7d79f10c75 PatchThird Party Advisory
https://groups.google.com/forum/#%21topic/vim_dev/L_dOHOOiQ5Q
https://groups.google.com/forum/#%21topic/vim_dev/QPZc0CY9j3Y
https://security.gentoo.org/glsa/201706-26
https://usn.ubuntu.com/4309-1/
http://www.securityfocus.com/bid/96448
http://www.securitytracker.com/id/1037949
https://github.com/vim/vim/commit/0c8485f0e4931463c0f7986e1ea84a7d79f10c75 PatchThird Party Advisory
https://groups.google.com/forum/#%21topic/vim_dev/L_dOHOOiQ5Q
https://groups.google.com/forum/#%21topic/vim_dev/QPZc0CY9j3Y
https://security.gentoo.org/glsa/201706-26
https://usn.ubuntu.com/4309-1/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-20703Vim classic buffer overflow vulnerabilityBuffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the operand parameter.EPSS 1.5%9.8CVE-2022-3520Vim heap-based buffer overflow vulnerabilityHeap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0765.EPSS 1.0%9.8CVE-2022-0318Vim heap-based buffer overflow vulnerabilityHeap-based Buffer Overflow in vim/vim prior to 8.2.EPSS 2.0%9.8CVE-2017-6349Vim integer overflow vulnerabilityAn 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 tr…EPSS 2.7%9.8CVE-2017-5953Vim integer overflow vulnerabilityvim before patch 8.0.0322 does not properly validate values for tree length when handling a spell file, which may result in an integer overflow at a …EPSS 2.8%9.3CVE-2008-6235Vim os command injection vulnerabilityThe Netrw plugin (netrw.vim) in Vim 7.0 and 7.1 allows user-assisted attackers to execute arbitrary commands via shell metacharacters in a filename u…EPSS 3.0%9.3CVE-2008-3074Tar.vim os command injection vulnerabilityThe shellescape function in Vim 7.0 through 7.2, including 7.2a.10, allows user-assisted attackers to execute arbitrary code via the "!" (exclamation…EPSS 3.8%9.3CVE-2008-3075Vim code injection vulnerabilityThe shellescape function in Vim 7.0 through 7.2, including 7.2a.10, allows user-assisted attackers to execute arbitrary code via the "!" (exclamation…EPSS 4.3%

Source: NIST National Vulnerability Database (record CVE-2017-6350), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.