DEBIAN-CVE-2026-55693

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Source
https://security-tracker.debian.org/tracker/CVE-2026-55693
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55693.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-55693
Upstream
Published
2026-06-25T16:16:40.220Z
Modified
2026-06-26T12:21:32.798273687Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Vim is an open source, command line text editor. Prior to 9.2.0653, the treecountwords() 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.

References

Affected packages

Debian:11 / vim

Package

Name
vim
Purl
pkg:deb/debian/vim?arch=source&distro=bullseye

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2:8.*
2:8.2.2434-3
2:8.2.2434-3+deb11u1
2:8.2.2434-3+deb11u2
2:8.2.2434-3+deb11u3
2:8.2.3455-1
2:8.2.3455-2
2:8.2.3565-1
2:8.2.3995-1
2:8.2.4659-1
2:8.2.4793-1
2:9.*
2:9.0.0135-1
2:9.0.0229-1
2:9.0.0242-1
2:9.0.0626-1
2:9.0.0813-1
2:9.0.1000-1
2:9.0.1000-2
2:9.0.1000-3
2:9.0.1000-4
2:9.0.1378-1
2:9.0.1378-2
2:9.0.1658-1
2:9.0.1672-1
2:9.0.1894-1
2:9.0.2018-1
2:9.0.2087-1
2:9.0.2103-1
2:9.0.2116-1
2:9.0.2189-1
2:9.1.0-1
2:9.1.0016-1
2:9.1.0199-1
2:9.1.0374-1
2:9.1.0377-1
2:9.1.0496-1
2:9.1.0698-1
2:9.1.0709-1
2:9.1.0709-2
2:9.1.0777-1
2:9.1.0861-1
2:9.1.0967-1
2:9.1.0967-2
2:9.1.1113-1
2:9.1.1230-1
2:9.1.1230-2
2:9.1.1385-1
2:9.1.1766-1
2:9.1.1829-1
2:9.1.1846-1
2:9.1.1882-1
2:9.1.2103-1
2:9.1.2141-1
2:9.2.0119-1
2:9.2.0136-1
2:9.2.0218-1
2:9.2.0315-1
2:9.2.0338-1
2:9.2.0355-1
2:9.2.0428-1
2:9.2.0461-1
2:9.2.0524-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55693.json"

Debian:12 / vim

Package

Name
vim
Purl
pkg:deb/debian/vim?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2:9.*
2:9.0.1378-2
2:9.0.1378-2+deb12u1
2:9.0.1378-2+deb12u2
2:9.0.1658-1
2:9.0.1672-1
2:9.0.1894-1
2:9.0.2018-1
2:9.0.2087-1
2:9.0.2103-1
2:9.0.2116-1
2:9.0.2189-1
2:9.1.0-1
2:9.1.0016-1
2:9.1.0199-1
2:9.1.0374-1
2:9.1.0377-1
2:9.1.0496-1
2:9.1.0698-1
2:9.1.0709-1
2:9.1.0709-2
2:9.1.0777-1
2:9.1.0861-1
2:9.1.0967-1
2:9.1.0967-2
2:9.1.1113-1
2:9.1.1230-1
2:9.1.1230-2
2:9.1.1385-1
2:9.1.1766-1
2:9.1.1829-1
2:9.1.1846-1
2:9.1.1882-1
2:9.1.2103-1
2:9.1.2141-1
2:9.2.0119-1
2:9.2.0136-1
2:9.2.0218-1
2:9.2.0315-1
2:9.2.0338-1
2:9.2.0355-1
2:9.2.0428-1
2:9.2.0461-1
2:9.2.0524-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55693.json"

Debian:13 / vim

Package

Name
vim
Purl
pkg:deb/debian/vim?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2:9.*
2:9.1.1230-2
2:9.1.1385-1
2:9.1.1766-1
2:9.1.1829-1
2:9.1.1846-1
2:9.1.1882-1
2:9.1.2103-1
2:9.1.2141-1
2:9.2.0119-1
2:9.2.0136-1
2:9.2.0218-1
2:9.2.0315-1
2:9.2.0338-1
2:9.2.0355-1
2:9.2.0428-1
2:9.2.0461-1
2:9.2.0524-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55693.json"

Debian:14 / vim

Package

Name
vim
Purl
pkg:deb/debian/vim?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2:9.*
2:9.1.1230-2
2:9.1.1385-1
2:9.1.1766-1
2:9.1.1829-1
2:9.1.1846-1
2:9.1.1882-1
2:9.1.2103-1
2:9.1.2141-1
2:9.2.0119-1
2:9.2.0136-1
2:9.2.0218-1
2:9.2.0315-1
2:9.2.0338-1
2:9.2.0355-1
2:9.2.0428-1
2:9.2.0461-1
2:9.2.0524-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55693.json"