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No exploitation reportedFix available

CVE-2022-1620

No exploitation reported by the sources we read.

  • Published2022-05-08
  • Fixed in8.2.4901
  • WeaknessCWE-476

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in GitHub repository vim/vim prior to 8.2.4901. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 allows attackers to cause a denial of service (application crash) via a crafted input.

Timeline

dates in UTC
  1. 2022-05-0811:15CVE publishedNVD

Versions per branch

NVD
Vim
BranchAffectedFixed in
8.2< 8.2.49018.2.4901
Fedoraproject fedora
BranchAffectedFixed in
34.x= 34no fix published
35.x= 35no fix published
36.x= 36no fix published
Apple macos
BranchAffectedFixed in
13.0< 13.013.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As @huntrdev, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • vim/vim
    Affected
    • < 8.2.4901fixed in 8.2.4901custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-05-03

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • vimUbuntu:Pro:16.04:LTSall versions · fixed in 2:7.4.1689-3ubuntu1.5+esm6
  • vimUbuntu:Pro:14.04:LTSall versions · fixed in 2:7.4.052-1ubuntu3.1+esm5
  • vimUbuntu:22.04:LTSall versions · fixed in 2:8.2.3995-1ubuntu2.1
  • vimUbuntu:20.04:LTSall versions · fixed in 2:8.1.2269-1ubuntu5.8
  • vimUbuntu:20.04:LTSall versions · fixed in 2:8.1.2269-1ubuntu5.9
  • vimUbuntu:18.04:LTSall versions · fixed in 2:8.0.1453-1ubuntu1.9
  • vimTuxCare:Ubuntu:16.04all versions · fixed in 3:7.4.1689-3ubuntu1.5+tuxcare.els12and 15 other packages
  • vimSUSE:OpenStack Cloud Crowbar 9all versions · fixed in 9.0.0814-17.9.1

57 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-1620 Red Hat Product Security6 known affected

    vim: NULL Pointer Dereference in vim_regexec_string() of regexp.c

    vim-X11 as a component of Red Hat Enterprise Linux 9 · vim-common as a component of Red Hat Enterprise Linux 9 · vim-enhanced as a component of Red Hat Enterprise Linux 9 · +3 more

Full record on NVD

Fix

  1. Update Vim to 8.2.4901
  2. No fix available, says the vendor Red Hat Product Security CVE-2022-1620 · 6 productsFix deferred

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionnone2026-10-08
  • NVDCVSS 3.17.5read 2026-10-23
  • CNACVSS 3.06.6known since 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-476known since 2026-10-23
  • NVDweakness (CWE)CWE-476read 2026-10-23
  • FIRST EPSSEPSS score1.6 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2022-05-08
Last Modified
2026-10-08
NVD status
Modified
GitHub Advisory
GHSA-5fw2-mj64-qv7f

Frequently asked questions

What is CVE-2022-1620?

NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in GitHub repository vim/vim prior to 8.2.4901. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 allows attackers to cause a denial of service (application crash) via a crafted input.

Is CVE-2022-1620 actively exploited?

Active exploitation of CVE-2022-1620 has not been confirmed. Its EPSS score was 1.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-1620?

CVE-2022-1620 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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