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CVE-2022-0318: Heap-based Buffer Overflow in vim/vim prior to 8.2.

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CRITICAL 9.8REMOTEWATCHLISTUPGRADEUPGRADEMITIGATE

CVE-2022-0318 is a critical-severity flaw (CVSS 9.8) affecting vim, macos, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Heap-based Buffer Overflow in vim/vim prior to 8.2.

Why this priority

  • Critical severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action
  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance2.0% (top 19%)
CISA exploited listNo
WeaknessCWE-122, CWE-787
Published2022-01-21
Last modified2026-06-17
Publisher (CNA): huntr.dev · Vendor: apple · debian · vim

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

vim vim UPGRADE
Affected: < 8.2.4151
Fixed in: 8.2.4151
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy vim || rpm -q vim || vim --version
2. UPGRADE to 8.2.4151 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade vim
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade vim
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
apple macos UPGRADE
Affected: < 13.0
Fixed in: 13.0
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
debian debian linux MITIGATE
Affected: 10.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 10.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.
Fedora 46 · nemo · FIXED · 6.8.0-1.fc46 · FEDORA-2026-0edead723f · source
sudo dnf upgrade --advisory=FEDORA-2026-0edead723f
Fedora ELN · composer · FIXED · 2.11.1-1.eln159 · FEDORA-2026-cb4f992456 · source
sudo dnf upgrade --advisory=FEDORA-2026-cb4f992456
Ubuntu 20.04 · vim · FIXED · 2:8.1.2269-1ubuntu5.14
sudo apt update && sudo apt install --only-upgrade vim dpkg --compare-versions "$(dpkg-query -W -f='${Version}' vim)" ge "2:8.1.2269-1ubuntu5.14" && echo PATCHED || echo STILL-VULNERABLE
Ubuntu 22.04 · vim · FIXED · 2:8.2.3995-1ubuntu2.7
sudo apt update && sudo apt install --only-upgrade vim dpkg --compare-versions "$(dpkg-query -W -f='${Version}' vim)" ge "2:8.2.3995-1ubuntu2.7" && echo PATCHED || echo STILL-VULNERABLE
Debian 12 · vim · FIXED · 2:8.2.4659-1
sudo apt update && sudo apt install --only-upgrade vim dpkg --compare-versions "$(dpkg-query -W -f='${Version}' vim)" ge "2:8.2.4659-1" && echo PATCHED || echo STILL-VULNERABLE
Debian 13 · vim · FIXED · 2:8.2.4659-1
sudo apt update && sudo apt install --only-upgrade vim dpkg --compare-versions "$(dpkg-query -W -f='${Version}' vim)" ge "2:8.2.4659-1" && echo PATCHED || echo STILL-VULNERABLE
RHEL 8 · vim · FIXED · vim-8.0.1763-16.el8_5.12
sudo dnf upgrade --advisory=RHSA-2022:0894 rpm -q vim
RHEL 6 · vim · NOT AFFECTED
RHEL 7 · vim · NOT AFFECTED
RHEL 9 · vim · NOT AFFECTED
Amazon Linux 2023 · see advisory · FIXED · ALAS2023-2023-098 · source
sudo dnf update --advisory=ALAS2023-2023-098
Amazon Linux 2 · see advisory · FIXED · ALAS2-2022-1751 · source
sudo yum update --advisory=ALAS2-2022-1751
Amazon Linux 1 · see advisory · FIXED · ALAS-2022-1597 · source
sudo yum update --advisory=ALAS-2022-1597

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-0318?

vim: upgrade to 8.2.4151; macos: upgrade to 13.0; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-0318 being exploited?

CVE-2022-0318 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-0318 affect?

CVE-2022-0318 affects vim, macos, debian linux. Severity is critical (CVSS 9.8). Heap-based Buffer Overflow in vim/vim prior to 8.2.

How urgent is CVE-2022-0318?

Priority 70/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Debian vulnerabilities · macOS vulnerabilities · Vim vulnerabilities

Related CVEs

References

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