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CVE-2022-0443

27
FAUCET Score

CVE-2022-0443 is a Use-After-Free vulnerability affecting Vim prior to version 8.2, impacting various Debian and Fedora distributions. With a CVSS score of 7.8 (High), it can lead to high confidentiality, integrity, and availability impacts through a low-complexity, user interaction-required attack. Currently, there is no evidence of active exploitation, no publicly available exploit code in Metasploit or ExploitDB, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.2.4281CPE 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:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.4HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.40%
Probability of exploitation in next 30 days
EPSS Percentile
69.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0140 is in the 68th 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 (5)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 18799-16820Fixed in: 8.2.4281-1
microsoftpatch availablevia msrc
Product: 18758-16823Fixed in: 8.2.4743-1
microsoftpatch availablevia msrc
Product: cm1 vim 8.2.4281-1 on CBL Mariner 1.0Fixed in: 8.2.4281-1
microsoftpatch availablevia msrc
Product: cbl2 vim 8.2.4743-1 on CBL Mariner 2.0Fixed in: 8.2.4743-1

Vendor Advisories (2)

microsoft2022-Feb/CVE-2022-0443Important

Use After Free in vim/vim

Feb 8, 2022
redhatCVE-2022-0443Moderate

vim: heap-use-after-free in enter_buffer() of src/buffer.c

Feb 3, 2022

References

github.com / vim/vim/commit/9b4a80a66544f2782040b641498754bcb5b8d461
PatchThird Party Advisory
huntr.dev / bounties/b987c8cb-bbbe-4601-8a6c-54ff907c6b51
ExploitPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2022/05/msg00022.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2022/11/msg00009.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/7ZLEHVP4LNAGER4ZDGUDS5V5YVQD6INF
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/UFXFAILMLUIK4MBUEZO4HNBNKYZRJ5AP
security.gentoo.org / glsa/202208-32
Third Party Advisory