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CVE PROGRAM SOURCE RECORD4.4 Medium

CVE-2026-28420

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

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

vim vim

  • < 9.2.0076affected

References