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CVE-2022-0156

21
FAUCET Score

CVE-2022-0156 is a Use After Free vulnerability affecting Vim and its distributions on Apple macOS and Fedora. This medium-severity vulnerability (CVSS 5.5) requires local access and user interaction (e.g., opening a malicious file) to trigger, potentially leading to a denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.2.4040CPE matchmatch criteria
cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*
34CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
< 12.3CPE matchmatch criteria
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
>= 11.0, < 11.6.8CPE matchmatch criteria
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.8MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
4.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.72%
Probability of exploitation in next 30 days
EPSS Percentile
75.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0172 is in the 86th percentile among its peer group of 5,765 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 18812-16823Fixed in: 8.2.4081-1
microsoftpatch availablevia msrc
Product: cbl2 vim 8.2.4081-1 on CBL Mariner 2.0Fixed in: 8.2.4081-1

Vendor Advisories (2)

microsoft2022-Jan/CVE-2022-0156Moderate

Use After Free in vim/vim

Jan 11, 2022
redhatCVE-2022-0156Moderate

vim: use-after-free while treating allocated lines in user functions

Jan 10, 2022

References

seclists.org / fulldisclosure/2022/Jul/13
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2022/Mar/29
Mailing ListThird Party Advisory
github.com / vim/vim/commit/9f1a39a5d1cd7989ada2d1cb32f97d84360e050f
PatchThird Party Advisory
huntr.dev / bounties/47dded34-3767-4725-8c7c-9dcb68c70b36
ExploitPatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/HD5S2FC2HF22A7XQXK2XXIR46EARVWIM
security.gentoo.org / glsa/202208-32
Third Party Advisory
support.apple.com / kb/HT213183
Release NotesThird Party Advisory
support.apple.com / kb/HT213344
Third Party Advisory
openwall.com / lists/oss-security/2022/01/15/1
Mailing ListThird Party Advisory