CVE-2026-28420 (GCVE-0-2026-28420)

Vulnerability from cvelistv5 – Published: 2026-02-27 22:04 – Updated: 2026-03-02 21:55
VLAI
Title
Vim has Heap-based Buffer Overflow and OOB Read in :terminal
Summary
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.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-02 21:54 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
vim vim Affected: < 9.2.0076
guessed Create a notification for this product.
Show details on NVD website
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Nomenclature

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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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