Vim has Heap-based Buffer Overflow and OOB Read in :terminal
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2026-28420 vim Fixed in: 9.2.0078-r0
- Debian DEBIAN-CVE-2026-28420 vim
- Ubuntu UBUNTU-CVE-2026-28420 vim Fixed in: 2:7.4.052-1ubuntu3.1+esm23
Original description The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com
- web openwall.com
- web github.com