cve 2026 28421

About this tag
CVE-2026-28421 is a vulnerability in the Vim editor involving a heap-buffer-overflow and a segmentation fault (SEGV) in Vim's swap-file recovery logic. The issue was fixed in Vim patch 9.2.0077, released on 27 February 2026. Administrators and developers are advised to prioritize updates and apply compensating controls where immediate patching is not possible. This tag covers discussions about the CVE, its impact, and remediation steps for Vim users.

  1. CVE-2026-28421: Vim Swap Recovery Bug Fixed in Vim 9.2.0077

    A newly assigned vulnerability, tracked as CVE-2026-28421, discloses a pair of memory-safety issues in the ubiquitous Vim editor: a heap-buffer-overflow and a segmentation fault (SEGV) in Vim’s swap-file recovery logic. The upstream Vim project issued a fix in patch 9.2.0077 (released 27...
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