Vim is an open source, command line text editor. Prior to 9.2.0662, the dump_prefixes() function in src/spell.c walks a spell-file prefix trie iteratively with a depth counter while dumping the prefixes that apply to a word. The counter is bounded only by the trie structure itself; it is never checked against the size of the fixed MAXWLEN-element stack arrays it indexes (prefix[], arridx[], curi[]). A crafted .spl file, loaded when the user dumps the word list, can drive the descent arbitrarily deep, so the function writes past the end of those arrays. This is a stack out-of-bounds write that corrupts the call frame and crashes the editor. This vulnerability is fixed in 9.2.0662.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade vim-enhancedUpgrade vim-filesystemUpgrade vim-minimalUpgrade vim-commonUpgrade vim-X11 | Oct 11, 2026 | Sep 10, 2026 |
| Alpine Linux | — | Upgrade vim | Jun 26, 2026 | Jun 25, 2026 |
| Amazon_linux_2023 | — | Upgrade vim-enhanced-debuginfoUpgrade xxdUpgrade vim-minimalUpgrade vim-dataUpgrade vim-default-editorUpgrade vim-filesystemUpgrade vim-debugsourceUpgrade vim-enhancedUpgrade vim-commonUpgrade xxd-debuginfoUpgrade vim-debuginfoUpgrade vim-minimal-debuginfo | Jul 21, 2026 | Jun 25, 2026 |
| Redhat_linux | — | Upgrade vim-dataUpgrade vim-enhanced-debuginfoUpgrade vim-common-debuginfoUpgrade vim-commonUpgrade vim-filesystemUpgrade vim-minimalUpgrade vim-debugsourceUpgrade vim-enhancedUpgrade xxdUpgrade vim-minimal-debuginfoUpgrade xxd-debuginfoUpgrade vim-debuginfoNo solution existsUpgrade vim-X11-debuginfoUpgrade vim-X11 | Jul 17, 2026 | Jun 25, 2026 |
| Rocky_linux | — | Upgrade vim-enhancedUpgrade vim-minimalUpgrade vim-enhanced-debuginfoUpgrade xxdUpgrade vim-minimal-debuginfoUpgrade vim-commonUpgrade vim-X11-debuginfoUpgrade vim-debuginfoUpgrade vim-X11Upgrade xxd-debuginfoUpgrade vim-common-debuginfoUpgrade vim-debugsource | Sep 15, 2026 | Sep 11, 2026 |
| Ubuntu | — | Upgrade vim-gtk3 (Ubuntu Pro)Upgrade vim-athenaUpgrade vim-nox-py2 (Ubuntu Pro)Upgrade vim-tiny (Ubuntu Pro)Upgrade vim-gtkUpgrade vim-gnome (Ubuntu Pro)Upgrade vim-common (Ubuntu Pro)Upgrade vim-noxUpgrade vim-commonUpgrade vim-nox (Ubuntu Pro)Upgrade vim-athena (Ubuntu Pro)Upgrade vim-gui-common (Ubuntu Pro)Upgrade vim-gtk (Ubuntu Pro)Upgrade vim-gtk3-py2 (Ubuntu Pro)Upgrade vim-runtimeUpgrade xxdUpgrade vim-gnome-py2 (Ubuntu Pro)Upgrade xxd (Ubuntu Pro)Upgrade vim-gui-commonUpgrade vim-athena-py2 (Ubuntu Pro)Upgrade vim-gtk-py2 (Ubuntu Pro)Upgrade vim-motifUpgrade vim (Ubuntu Pro)Upgrade vim-tinyUpgrade vim-runtime (Ubuntu Pro)Upgrade vim-gtk3Upgrade vimUpgrade vim-lesstif (Ubuntu Pro) | Jul 5, 2026 | Jul 2, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 6, 2026 | Jun 25, 2026 |
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