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TI-2021-02727 Aliases CVE-2021-3796GHSA-vvqg-2hw5-x5xp

Use After Free in vim/vim

Priority LOW 36CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · Low · High
Fix status
Partial Red Hat: 2 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

vim is vulnerable to Use After Free

Why it matters now

EPSS 0.01741 77th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 2 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
vimvim/vimup to 8.2.3428—No fix listedCNA
  • vim/vim Vendorvim Affected up to 8.2.3428 Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*before 8.2.3428Vulnerablevim
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*33VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*34VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:* Versions before 8.2.3428 Vulnerable ·vim
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
  • 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:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp

Remediation

Red Hat 1 advisory

  • RHSA-2021:4517 Released 2021-11-09 · Red Hat rating Moderate
    vim security update
    • Red Hat Enterprise Linux AppStream (v. 8) vim-X11-2:8.0.1763-16.el8, vim-common-2:8.0.1763-16.el8, vim-enhanced-2:8.0.1763-16.el8 +1
    • Red Hat Enterprise Linux BaseOS (v. 8) vim-2:8.0.1763-16.el8, vim-minimal-2:8.0.1763-16.el8

Fixed in the same release

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

  • Advisory ·

    vim/vim — FEDORA-2021-968f57ec98

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2021-02709 Heap-based Buffer Overflow in vim/vimPriority LOW 38
    Show all 2 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2021:4517
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2021:4517
Not affected: 2 products
  • Red Hat Advanced Cluster Management for Kubernetes 2
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3796
  2. 2026-10-03 Alias added: GHSA-vvqg-2hw5-x5xp

References

Exploit 1

Patch 1

Advisory 7

  • 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