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Fencer Vulns
medium 6.6

CVE-2022-1620 json

NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in vim/vim

published 2022-05-08 4 y ago modified 2026-10-08 31 d ago also EUVD-2022-24909

cvss
6.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

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.

Patch / fix

  • vim vim/vim 8.2.4901
  • vim Debian 14, Debian 13, Debian 12 2:9.0.0135-1

debian advisories DEBIAN-CVE-2022-1620

  • 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-2022-1620

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 SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +5 more 9.0.0814-17.9.1
  • vim SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES for SAP 15 +24 more 8.2.5038-150000.5.21.1

suse advisories SUSE-SU-2022:4619-1SUSE-SU-2022:2102-1

  • vim openSUSE Tumbleweed 9.0.0453-2.1

opensuse advisories openSUSE-SU-2024:12337-1

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

alpine advisories ALPINE-CVE-2022-1620

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-9704

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-2022-1620 updated cvss 7.8

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

  • Red Hat Enterprise Linux 9 vim, vim-X11, vim-common, vim-minimal, vim-enhanced, vim-filesystem
    affected: no fix available “Fix deferred”
  • Red Hat OpenShift AI (RHOAI) rhoai/odh-dashboard-rhel9
    under investigation
  • 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 Red Hat Enterprise Linux 8 vim, vim-X11, vim-common, vim-minimal, vim-enhanced, vim-filesystem Red Hat Virtualization 4 vim-common, vim-enhanced, vim-filesystem
    not affected: vulnerable code not present

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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
31 d ago

Exploit prediction

1.61% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/7a4c59f3-fcc0-4496-995d-5ca6acd2da51 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.6 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/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.