CVE-2017-5953

9.8 criticalEPSS 2.8%

Critical (9.8) in vim vim. EPSS 2.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

9.8 critical

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

EPSS: 2.8% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)
CWE: CWE-190
Published: 2017-02-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

vim:vim

References

http://www.debian.org/security/2017/dsa-3786
http://www.securityfocus.com/bid/96217
https://github.com/vim/vim/commit/399c297aa93afe2c0a39e2a1b3f972aebba44c9d
https://groups.google.com/forum/#%21topic/vim_dev/t-3RSdEnrHY
https://security.gentoo.org/glsa/201706-26

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