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Fencer Vulns
high 7.3

CVE-2022-1621 json

Heap buffer overflow in vim_strncpy find_word in vim/vim

published 2022-05-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-24910

cvss
7.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Heap buffer overflow in vim_strncpy find_word in GitHub repository vim/vim prior to 8.2.4919. This vulnerability is capable of crashing software, Bypass Protection Mechanism, Modify Memory, and possible remote execution

Patch / fix

  • vim vim/vim 8.2.4919
  • vim Debian 14, Debian 13, Debian 12 2:9.0.0135-1

debian advisories DEBIAN-CVE-2022-1621

  • vim Ubuntu 18.04 LTS 2:8.0.1453-1ubuntu1.9
  • vim Ubuntu 20.04 LTS 2:8.1.2269-1ubuntu5.8
  • vim Ubuntu 22.04 LTS 2:8.2.3995-1ubuntu2.1
  • vim Ubuntu Pro 14.04 LTS 2:7.4.052-1ubuntu3.1+esm5
  • vim Ubuntu Pro 16.04 LTS 2:7.4.1689-3ubuntu1.5+esm6

ubuntu advisories UBUNTU-CVE-2022-1621

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • vim RHEL 9 2:8.2.2637-16.el9_0.2
  • vim-X11 RHEL 9 2:8.2.2637-16.el9_0.2
  • vim-common RHEL 9 2:8.2.2637-16.el9_0.2
  • vim-minimal RHEL 9 2:8.2.2637-16.el9_0.2
  • vim-enhanced RHEL 9 2:8.2.2637-16.el9_0.2
  • vim-filesystem RHEL 9 2:8.2.2637-16.el9_0.2
  • vim rhev hypervisor 4.4, RHEL 8 2:8.0.1763-19.el8_6.2
  • vim-X11 RHEL 8 2:8.0.1763-19.el8_6.2

red hat advisories RHSA-2022:5242RHSA-2022:5319

  • vim openSUSE Tumbleweed 9.0.0453-2.1

opensuse advisories openSUSE-SU-2024:12337-1

  • vim-X11 AlmaLinux 9 2:8.2.2637-16.el9_0.2
  • vim-common AlmaLinux 9 2:8.2.2637-16.el9_0.2
  • vim-minimal AlmaLinux 9 2:8.2.2637-16.el9_0.2
  • vim-enhanced AlmaLinux 9 2:8.2.2637-16.el9_0.2
  • vim-filesystem AlmaLinux 9 2:8.2.2637-16.el9_0.2
  • vim-X11 AlmaLinux 8 2:8.0.1763-19.el8_6.2
  • vim-common AlmaLinux 8 2:8.0.1763-19.el8_6.2
  • vim-minimal AlmaLinux 8 2:8.0.1763-19.el8_6.2

almalinux advisories ALSA-2022:5242ALSA-2022:5319

  • vim Rocky Linux 8 2:8.0.1763-19.el8_6.2

rocky linux advisories RLSA-2022:5319

  • vim Alpine 3.24, Alpine 3.23, Alpine 3.22 +6 more 8.2.4969-r0

alpine advisories ALPINE-CVE-2022-1621

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • vim CBL-Mariner 2.0 8.2.4925-1

azure linux advisories AZL-9705

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-1621 updated cvss 7.3

vim: heap buffer overflow in vim_strncpy

  • Red Hat Enterprise Linux 6 vim, vim-X11, vim-common, vim-minimal, vim-enhanced, vim-filesystem Red Hat Enterprise Linux 7 vim, vim-X11, vim-common, vim-minimal, vim-enhanced, vim-filesystem
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) vim-X11 8.0.1763-19.el8_6.2, vim-common 8.0.1763-19.el8_6.2, vim-enhanced 8.0.1763-19.el8_6.2, vim-filesystem 8.0.1763-19.el8_6.2
    fixed: vendor fix RHSA-2022:5319
  • Red Hat Enterprise Linux AppStream (v. 9) vim-X11 8.2.2637-16.el9_0.2, vim-common 8.2.2637-16.el9_0.2, vim-enhanced 8.2.2637-16.el9_0.2
    fixed: vendor fix RHSA-2022:5242
  • Red Hat Enterprise Linux BaseOS (v. 8) vim 8.0.1763-19.el8_6.2, vim-minimal 8.0.1763-19.el8_6.2
    fixed: vendor fix RHSA-2022:5319
  • Red Hat Enterprise Linux BaseOS (v. 9) vim 8.2.2637-16.el9_0.2, vim-minimal 8.2.2637-16.el9_0.2, vim-filesystem 8.2.2637-16.el9_0.2
    fixed: vendor fix RHSA-2022:5242
  • Red Hat Virtualization 4 Hypervisor for RHEL 8 vim 8.0.1763-19.el8_6.2, vim-minimal 8.0.1763-19.el8_6.2
    fixed: vendor fix RHSA-2022:5319

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.38% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/520ce714-bfd2-4646-9458-f52cd22bb2fb referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 7.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • vim vim/vim

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.