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Vulnerability record · CVE-2017-5953 · published 10 February 2017

CVE-2017-5953: Vim integer overflow vulnerability

Vim · Vim

vim 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 memory allocation site and a resultant buffer overflow.

9.8 CVSS 3.0 Critical EPSS 2.8% · top 13.9% CWE-190 · Integer overflow
9.8CVSS 3.0 base score, v2 7.5
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

vim 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 memory allocation site and a resultant buffer overflow.

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.debian.org/security/2017/dsa-3786
http://www.securityfocus.com/bid/96217
https://github.com/vim/vim/commit/399c297aa93afe2c0a39e2a1b3f972aebba44c9d PatchVendor Advisory
https://groups.google.com/forum/#%21topic/vim_dev/t-3RSdEnrHY
https://security.gentoo.org/glsa/201706-26
https://usn.ubuntu.com/4016-1/
https://usn.ubuntu.com/4309-1/
http://www.debian.org/security/2017/dsa-3786
http://www.securityfocus.com/bid/96217
https://github.com/vim/vim/commit/399c297aa93afe2c0a39e2a1b3f972aebba44c9d PatchVendor Advisory
https://groups.google.com/forum/#%21topic/vim_dev/t-3RSdEnrHY
https://security.gentoo.org/glsa/201706-26
https://usn.ubuntu.com/4016-1/
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-2017-6350Vim integer overflow vulnerabilityAn 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 f…EPSS 3.2%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-2017-5953), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.