Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package vim.src (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-VIMSRC-15364217
- published28 Feb 2026
- disclosed27 Feb 2026
Introduced: 27 Feb 2026
CVE-2026-28420 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream vim.src package and not the vim.src package as distributed by RHEL.
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.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2443484
- https://access.redhat.com/security/cve/CVE-2026-28420
- https://github.com/vim/vim/commit/bb6de2105b160e729c34063
- https://github.com/vim/vim/releases/tag/v9.2.0076
- https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg
- http://www.openwall.com/lists/oss-security/2026/02/27/9