Vim is an open source, command line text editor. Prior to 9.2.0653, the tree_count_words() function in src/spellfile.c fills in the word-count fields of a spell-file word trie by walking it iteratively with a depth counter. 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 (arridx[], curi[], wordcount[]). A crafted .spl/.sug file pair, loaded when the user invokes spell suggestion, 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 9.2.0653.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade vim-enhancedUpgrade vim-commonUpgrade vim-minimalUpgrade vim-filesystemUpgrade vim-X11 | Aug 2, 2026 | Jul 29, 2026 |
| Amazon Linux Ami 2 | — | Upgrade vim-commonUpgrade vim-X11Upgrade vim-enhancedUpgrade vim-filesystemUpgrade vim-debuginfoUpgrade vim-dataUpgrade xxdUpgrade vim-minimal | Jul 22, 2026 | Jul 22, 2026 |
| Amazon_linux_2023 | — | Upgrade vim-debuginfoUpgrade vim-commonUpgrade vim-filesystemUpgrade vim-default-editorUpgrade vim-debugsourceUpgrade vim-enhancedUpgrade vim-minimal-debuginfoUpgrade vim-minimalUpgrade xxd-debuginfoUpgrade vim-dataUpgrade xxdUpgrade vim-enhanced-debuginfo | Jul 21, 2026 | Jun 25, 2026 |
| Oracle_linux | — | Upgrade vim-commonUpgrade vim-minimalUpgrade vim-X11Upgrade xxdUpgrade vim-enhancedUpgrade vim-dataUpgrade vim-filesystem | Oct 22, 2026 | Jun 25, 2026 |
| Redhat Openshift | — | Upgrade ose-rhel-coreos | Aug 19, 2026 | Jun 25, 2026 |
| Redhat_linux | — | Upgrade vim-enhancedUpgrade vim-debugsourceUpgrade vim-X11-debuginfoUpgrade vim-minimal-debuginfoUpgrade vim-debuginfoUpgrade vim-commonUpgrade vim-filesystemUpgrade vim-X11Upgrade vim-common-debuginfoUpgrade xxdUpgrade xxd-debuginfoUpgrade vim-enhanced-debuginfoUpgrade vim-minimalUpgrade vim-data | Jul 17, 2026 | Jun 25, 2026 |
| Rocky_linux | — | Upgrade vim-X11-debuginfoUpgrade vim-minimal-debuginfoUpgrade vim-debuginfoUpgrade vim-X11Upgrade vim-commonUpgrade vim-enhanced-debuginfoUpgrade vim-enhancedUpgrade vim-debugsourceUpgrade vim-common-debuginfoUpgrade vim-minimal | Aug 3, 2026 | Jul 31, 2026 |
| Ubuntu | — | Upgrade vim-athena (Ubuntu Pro)Upgrade vim-gtk3-py2 (Ubuntu Pro)Upgrade vim-nox (Ubuntu Pro)Upgrade vim-tiny (Ubuntu Pro)Upgrade vim-athenaUpgrade vim-gtk (Ubuntu Pro)Upgrade vim-gui-commonUpgrade vim-nox-py2 (Ubuntu Pro)Upgrade vim-commonUpgrade vim-noxUpgrade vim (Ubuntu Pro)Upgrade vim-runtimeUpgrade vim-runtime (Ubuntu Pro)Upgrade vim-gtk3Upgrade vim-motifUpgrade vim-gtk-py2 (Ubuntu Pro)Upgrade xxdUpgrade vim-gnome (Ubuntu Pro)Upgrade vim-gtk3 (Ubuntu Pro)Upgrade vim-gui-common (Ubuntu Pro)Upgrade vim-lesstif (Ubuntu Pro)Upgrade vim-gtkUpgrade vimUpgrade xxd (Ubuntu Pro)Upgrade vim-tinyUpgrade vim-athena-py2 (Ubuntu Pro)Upgrade vim-gnome-py2 (Ubuntu Pro)Upgrade vim-common (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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