Fix CVE(s): CVE-2026-55693, CVE-2026-55892, CVE-2026-57455, CVE-2026-57456
* SECURITY UPDATE: out-of-bounds write parsing a crafted spell file: tree_count_words() and sug_filltree() descended the word trie without bounding the recursion depth, so a deeply nested trie wrote past the ends of their MAXWLEN-sized arridx[], curi[] and wordcount[] arrays. - debian/patches/CVE-2026-55693.patch: only descend while depth < MAXWLEN - 1 in both trie walkers, in src/spell.c; matches upstream patch 9.2.0653. - CVE-2026-55693 * SECURITY UPDATE: stack out-of-bounds write in dump_prefixes() when dumping spell prefixes (:spelldump): the word trie was descended without bounding the recursion depth, overflowing the MAXWLEN-sized prefix[], arridx[] and curi[] arrays. - debian/patches/CVE-2026-55892.patch: only descend while depth < MAXWLEN - 1, in src/spell.c; matches upstream patch 9.2.0662. - CVE-2026-55892 * SECURITY UPDATE: out-of-bounds write in soundfold(): the single-byte branch of spell_soundfold_sofo() wrote one result byte per input byte into the MAXWLEN-sized res[] buffer with no bound, so a long word overflowed it. - debian/patches/CVE-2026-57455.patch: stop the translation loop once ri reaches MAXWLEN - 1, in src/spell.c; matches upstream patch 9.2.0698. - CVE-2026-57455 * SECURITY UPDATE: arbitrary code execution in the python and python3 omni-completion plugins: reconstructed class/function definitions ran through exec() embedded buffer-supplied docstrings inside a triple- quoted Python string literal, so a docstring containing a closing triple-quote bro
- Products
- vim, vim-athena, vim-athena-py2, vim-common, vim-doc, vim-gnome, vim-gnome-py2, vim-gtk, vim-gtk-py2, vim-gtk3, vim-gtk3-py2, vim-gui-common, vim-nox, vim-nox-py2, vim-runtime, vim-tiny
- Affected versions
- Not specified
- Fixed versions
- 3:7.4.1689-3ubuntu1.5+tuxcare.els70
- CVEs
- CVE-2026-55693, CVE-2026-55892, CVE-2026-57455, CVE-2026-57456
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:08 UTC · Revision 1
Source evidence
Fix CVE(s): CVE-2026-55693, CVE-2026-55892, CVE-2026-57455, CVE-2026-57456
core-osv · Original sourcePublished 30 Jun 2026, 09:09 UTC
* SECURITY UPDATE: out-of-bounds write parsing a crafted spell file: tree_count_words() and sug_filltree() descended the word trie without bounding the recursion depth, so a deeply nested trie wrote past the ends of their MAXWLEN-sized arridx[], curi[] and wordcount[] arrays. - debian/patches/CVE-2026-55693.patch: only descend while depth < MAXWLEN - 1 in both trie walkers, in src/spell.c; matches upstream patch 9.2.0653. - CVE-2026-55693 * SECURITY UPDATE: stack out-of-bounds write in dump_prefixes() when dumping spell prefixes (:spelldump): the word trie was descended without bounding the recursion depth, overflowing the MAXWLEN-sized prefix[], arridx[] and curi[] arrays. - debian/patches/CVE-2026-55892.patch: only descend while depth < MAXWLEN - 1, in src/spell.c; matches upstream patch 9.2.0662. - CVE-2026-55892 * SECURITY UPDATE: out-of-bounds write in soundfold(): the single-byte branch of spell_soundfold_sofo() wrote one result byte per input byte into the MAXWLEN-sized res[] buffer with no bound, so a long word overflowed it. - debian/patches/CVE-2026-57455.patch: stop the translation loop once ri reaches MAXWLEN - 1, in src/spell.c; matches upstream patch 9.2.0698. - CVE-2026-57455 * SECURITY UPDATE: arbitrary code execution in the python and python3 omni-completion plugins: reconstructed class/function definitions ran through exec() embedded buffer-supplied docstrings inside a triple- quoted Python string literal, so a docstring containing a closing triple-quote bro
osv:CLSA-2026-1782810569
vim
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-athena
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-athena-py2
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-common
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-doc
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-gnome
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-gnome-py2
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-gtk
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-gtk-py2
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-gtk3
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-gtk3-py2
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-gui-common
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-nox
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-nox-py2
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-runtime
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
vim-tiny
Fixed versions: 3:7.4.1689-3ubuntu1.5+tuxcare.els70
Complete source record
{
"id": "d2fecb85979e2cad5717a94b0a0bd6b1ce1edb8c7841036ea7264256c1fb59ec",
"url": "https://osv.dev/vulnerability/CLSA-2026-1782810569",
"method": "structured",
"payload": {
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"title": "Fix CVE(s): CVE-2026-55693, CVE-2026-55892, CVE-2026-57455, CVE-2026-57456",
"summary": "* SECURITY UPDATE: out-of-bounds write parsing a crafted spell file: tree_count_words() and sug_filltree() descended the word trie without bounding the recursion depth, so a deeply nested trie wrote past the ends of their MAXWLEN-sized arridx[], curi[] and wordcount[] arrays. - debian/patches/CVE-2026-55693.patch: only descend while depth < MAXWLEN - 1 in both trie walkers, in src/spell.c; matches upstream patch 9.2.0653. - CVE-2026-55693 * SECURITY UPDATE: stack out-of-bounds write in dump_prefixes() when dumping spell prefixes (:spelldump): the word trie was descended without bounding the recursion depth, overflowing the MAXWLEN-sized prefix[], arridx[] and curi[] arrays. - debian/patches/CVE-2026-55892.patch: only descend while depth < MAXWLEN - 1, in src/spell.c; matches upstream patch 9.2.0662. - CVE-2026-55892 * SECURITY UPDATE: out-of-bounds write in soundfold(): the single-byte branch of spell_soundfold_sofo() wrote one result byte per input byte into the MAXWLEN-sized res[] buffer with no bound, so a long word overflowed it. - debian/patches/CVE-2026-57455.patch: stop the translation loop once ri reaches MAXWLEN - 1, in src/spell.c; matches upstream patch 9.2.0698. - CVE-2026-57455 * SECURITY UPDATE: arbitrary code execution in the python and python3 omni-completion plugins: reconstructed class/function definitions ran through exec() embedded buffer-supplied docstrings inside a triple- quoted Python string literal, so a docstring containing a closing triple-quote bro",
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"ecosystem": "TuxCare:Ubuntu:16.04"
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"database_specific": {
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],
"modified": "2026-10-26T09:31:47.004921178Z",
"provider": "osv",
"upstream": [
"CVE-2026-55693",
"CVE-2026-55892",
"CVE-2026-57455",
"CVE-2026-57456"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1782810569.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-55693",
"https://nvd.nist.gov/vuln/detail/CVE-2026-55892",
"https://nvd.nist.gov/vuln/detail/CVE-2026-57455",
"https://nvd.nist.gov/vuln/detail/CVE-2026-57456"
]
},
"related_cves": [
{
"value": "CVE-2026-55693",
"evidence": "/upstream"
},
{
"value": "CVE-2026-55892",
"evidence": "/upstream"
},
{
"value": "CVE-2026-57455",
"evidence": "/upstream"
},
{
"value": "CVE-2026-57456",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448463,
"published_at": "2026-06-30T09:09:52+00:00"
}