Vim has Heap-based Buffer Overflow and OOB Read in :terminal (vim vim)

CVE-2026-28420
MEDIUM 4.4

At a glance

Source
NVD
EPSS
EPSS 0.21 % · percentile 11 ()
State
PUBLISHED
Published
Updated
Assigner
GitHub_M
NVD status
Analyzed

Description

Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue.

Weaknesses (CWE)

  • CWE-122 — Heap-based Buffer Overflow
  • CWE-125 — Out-of-bounds Read

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 4.4CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:LGitHub_M
CVSS 3.1MEDIUM 4.4CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:LNVD · security-advisories@github.com (Secondary)
CVSS 3.1MEDIUM 4.4CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:LNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
vim · vimaffected < 9.2.0076

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD