Is CVE-2017-6349 in the CISA KEV catalog?

No. CVE-2017-6349 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-6349?

CVE-2017-6349 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-6349?

CVE-2017-6349 has an EPSS score of 2.74% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-6349?

Upgrade neovim on debian 11 to 0.1.7-4 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2017-6349

CRITICALEPSS 84th pctl

9.8

CVSS v3

NVD

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.

CWE-190Integer Overflow

How to fix

Remediation Available

neovimDebian

Fixed in:0.1.7-4CVE-2017-6349

vimUbuntu

Fixed in:2:7.4.052-1ubuntu3.1+esm1USN-4309-1

Fixed in:2:7.4.1689-3ubuntu1.4USN-4309-1

Fixed in:2:8.0.1453-1ubuntu1.3USN-4309-1

vim-commonUbuntu

Fixed in:2:7.4.052-1ubuntu3.1+esm1USN-4309-1

Fixed in:2:7.4.1689-3ubuntu1.4USN-4309-1

Fixed in:2:8.0.1453-1ubuntu1.3USN-4309-1

vim-gui-commonUbuntu

Fixed in:2:7.4.052-1ubuntu3.1+esm1USN-4309-1

Fixed in:2:7.4.1689-3ubuntu1.4USN-4309-1

Fixed in:2:8.0.1453-1ubuntu1.3USN-4309-1

vim-runtimeUbuntu

Fixed in:2:7.4.052-1ubuntu3.1+esm1USN-4309-1

Fixed in:2:7.4.1689-3ubuntu1.4USN-4309-1

Fixed in:2:8.0.1453-1ubuntu1.3USN-4309-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.74%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch1

github.com

Other references6

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.