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Fri, 26 Jun 2026 14:30:00 +0000
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ssvc
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Thu, 25 Jun 2026 22:30:00 +0000
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Vim
Vim vim |
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| Vendors & Products |
Vim
Vim vim |
Thu, 25 Jun 2026 15:45:00 +0000
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| Description | 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. | |
| Title | Vim: Out-of-bounds Write in Spell File Word Count | |
| Weaknesses | CWE-787 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-06-26T14:03:18.357Z
Reserved: 2026-06-17T00:13:10.650Z
Link: CVE-2026-55693
Updated: 2026-06-26T14:02:23.811Z
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OpenCVE Enrichment
Updated: 2026-06-25T22:15:04Z