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CVE-2022-2343

27
FAUCET Score

CVE-2022-2343 is a high-severity heap-based buffer overflow vulnerability affecting Vim versions prior to 9.0.0044, including specific Fedora Project distributions. This flaw can be triggered locally with user interaction (e.g., opening a malicious file), potentially leading to high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, its CVSS score of 7.8 indicates a serious risk if exploited.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.0.0044CPE matchmatch criteria
cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.32%
Probability of exploitation in next 30 days
EPSS Percentile
68.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0132 is in the 66th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: cm1 vim 9.0.0050-1 on CBL Mariner 1.0Fixed in: 9.0.0050-1
microsoftpatch availablevia msrc
Product: cbl2 vim 9.0.0050-2 on CBL Mariner 2.0Fixed in: 9.0.0050-2
microsoftpatch availablevia msrc
Product: 18661-16823Fixed in: 9.0.0050-2
microsoftpatch availablevia msrc
Product: 18660-16820Fixed in: 9.0.0050-1
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: vim
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: vim

Vendor Advisories (2)

microsoft2022-Jul/CVE-2022-2343Important

Heap-based Buffer Overflow in vim/vim

Jul 12, 2022
redhatCVE-2022-2343Low

vim: heap-based buffer overflow in ins_compl_add() in insexpand.c

Jul 6, 2022

References

github.com / vim/vim/commit/caea66442d86e7bbba3bf3dc202c3c0d549b9853
PatchThird Party Advisory
huntr.dev / bounties/2ecb4345-2fc7-4e7f-adb0-83a20bb458f5
ExploitPatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/43Y3VJPOTTY3NTREDIFUPITM2POG4ZLP
security.gentoo.org / glsa/202208-32
Third Party Advisory
security.gentoo.org / glsa/202305-16