TI-2022-01490 Aliases CVE-2022-1620 GHSA-5fw2-mj64-qv7f

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

MEDIUM 42CWE-476Published 2022-05-08 · Updated 2026-10-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Partial Red Hat: 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01607 76th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Partial vim/vim (vim): 8.2.4901Red Hat: 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
vim	vim/vim	before 8.2.4901	8.2.4901	Patch available	CNA

vim/vim Vendorvim Affected before 8.2.4901 Fixed in 8.2.4901 Patch available CNA

CPE configurations NVD · 5

CPE	Versions	Role	Vendor
cpe:2.3:a:vim:vim::::::::	before 8.2.4901	Vulnerable	vim
cpe:2.3:o:fedoraproject:fedora:34:::::::*	34	Vulnerable	Fedoraproject
cpe:2.3:o:fedoraproject:fedora:35:::::::*	35	Vulnerable	Fedoraproject
cpe:2.3:o:fedoraproject:fedora:36:::::::*	36	Vulnerable	Fedoraproject
cpe:2.3:o:apple:macos::::::::	before 13.0	Vulnerable	Apple

cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:* Versions before 8.2.4901 Vulnerable ·vim
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 13.0 Vulnerable ·Apple

Remediation

Fix · CNA vim/vim (vim) Fixed in 8.2.4901

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2022-05-07
vim/vim — FEDORA-2022-8df66cdbef
5 records Highest priority Priority MEDIUM 3 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2022-01489 Heap-based Buffer Overflow in function cmdline_erase_chars in vim/vimPriority MEDIUM 41
- TI-2022-01486 Use after free in append_command in vim/vimPriority MEDIUM 41
- TI-2022-01491 Heap buffer overflow in vim_strncpy find_word in vim/vimPriority LOW 39
Show all 5 records → Advisory →
Advisory · 2022-05-07
vim/vim — FEDORA-2022-e92c3ce170
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2022-01489 Heap-based Buffer Overflow in function cmdline_erase_chars in vim/vimPriority MEDIUM 41
- TI-2022-01486 Use after free in append_command in vim/vimPriority MEDIUM 41
Show all 3 records → Advisory →

Show 1 more group

Advisory · 2022-05-07
vim/vim — FEDORA-2022-f0db3943d9
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2022-01489 Heap-based Buffer Overflow in function cmdline_erase_chars in vim/vimPriority MEDIUM 41
- TI-2022-01486 Use after free in append_command in vim/vimPriority MEDIUM 41
Show all 3 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 9	Affected	No fix yet: Fix deferred
Red Hat OpenShift AI (RHOAI)	Affected	—

Not affected: 4 products

Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Virtualization 4

Timeline

2026-10-02 Threatist record created from CVE-2022-1620
2026-10-03 Alias added: GHSA-5fw2-mj64-qv7f
2026-10-08 CISA SSVC decision points changed
2026-10-09 Priority changed: LOW → MEDIUM
2026-11-06 Affected versions changed · Red Hat

References

Exploit 1

https://huntr.dev/bounties/7a4c59f3-fcc0-4496-995d-5ca6acd2da51

Patch 1

https://github.com/vim/vim/commit/8e4b76da1d7e987d43ca960dfbc372d1c617466f

Advisory 7

Other 1

20221030 APPLE-SA-2022-10-24-2 macOS Ventura 13

TI-2022-03248 Heap-based Buffer Overflow in vim/vim CVSS 3.1CRITICAL 9.8
TI-2024-15103 Vim before 9.0.2142 has a stack-based buffer overflow because did_set_langmap in map.c… CVSS 3.1HIGH 7.8
TI-2023-05093 Use After Free in vim/vim CVSS 3.1HIGH 7.8
TI-2023-04407 Heap-based Buffer Overflow in vim/vim CVSS 3.1HIGH 7.8
TI-2023-04379 Heap-based Buffer Overflow in vim/vim CVSS 3.1HIGH 7.8
TI-2023-04378 Use After Free in vim/vim CVSS 3.1HIGH 7.8

See all 258 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences