CVE-2026-57452

Vim is an open source, command line text editor. Prior to 9.2.0671, when Vim opens a file encrypted with the VimCrypt04! or VimCrypt05! method (xchacha20poly1305, requires the +sodium feature) whose body is shorter than a single libsodium secretstream header, an unsigned length calculation underflows and a subsequent decryption call reads far past the end of the input buffer, crashing Vim. This vulnerability is fixed in 9.2.0671.

• vim 2:9.2.0782-1 (bug https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1140775) https://github.com/vim/vim/security/advisories/GHSA-c4j9-wr9j-4486 Fixed by: https://github.com/vim/vim/commit/c8777cec25dcfae89c42e9aff51af61f71c5745f (v9.2.0671)