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ALSA-2026:66336 — Important: vim security update

Affected: AlmaLinux:10: vim-X11, AlmaLinux:10: vim-common, AlmaLinux:10: vim-data, AlmaLinux:10: vim-enhanced, AlmaLinux:10: vim-filesystem, AlmaLinux:10: vim-minimal, AlmaLinux:10: xxd

Vim (Vi IMproved) is an updated and improved version of the vi editor.

Security Fix(es):

* vim: Vim: Information disclosure and denial of service via crafted Unicode characters in terminal emulator (CVE-2026-28420) * vim: Vim: Denial of Service via out-of-bounds write in terminal handling (CVE-2026-52859) * vim: Vim: Denial of Service via crafted spell file (CVE-2026-55892) * vim: Vim: Denial of Service via out-of-bounds write in spell sound-folding (CVE-2026-59857) * vim: Vim: Arbitrary command execution via crafted vimball (CVE-2026-73076) * vim: Vim: Heap buffer overflow allows arbitrary code execution (CVE-2026-73072) * vim: Vim: Arbitrary Code Execution via Crafted Netrw Menu Entries (CVE-2026-73078) * vim: Vim: Arbitrary Code Execution via Insecure Shell Command Handling (CVE-2026-73077)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2026-14508

BELL-CVE-2026-55892

Affected: Alpaquita:23: vim, Alpaquita:25: vim, Alpaquita:stream: vim

EUVD-2026-330752

fkie_cve-2026-55892

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.

msrc_CVE-2026-55892 — Vim: Out-of-bounds Write in Spell File Prefix Dump

msrc_CVE-2026-55892

OESA-2026-2862 — vim security update

Affected: openEuler:22.03-LTS-SP4: vim

Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor &apos;Vi&apos;, with a more complete feature set. Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems. Security Fix(es):

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.(CVE-2026-55693)

RHSA-2026:35387 — Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

vim: Vim: Denial of Service via crafted spell file vim: Vim: Arbitrary code execution via malicious docstrings in Python omni-completion vim: Vim: Arbitrary code execution via crafted PHP file in omni-completion vim: Vim: Denial of Service via out-of-bounds write in spell sound-folding vim: Vim: Arbitrary command execution via crafted tags file in C omni-completion

RHSA-2026:66336 — Red Hat Security Advisory: vim security update

vim: Vim: Information disclosure and denial of service via crafted Unicode characters in terminal emulator vim: Vim: Denial of Service via out-of-bounds write in terminal handling vim: Vim: Denial of Service via crafted spell file vim: Vim: Denial of Service via out-of-bounds write in spell sound-folding vim: Vim: Heap buffer overflow allows arbitrary code execution vim: Vim: Arbitrary command execution via crafted vimball vim: Vim: Arbitrary Code Execution via Insecure Shell Command Handling vim: Vim: Arbitrary Code Execution via Crafted Netrw Menu Entries

RLSA-2026:66336 — Important: vim security update

Affected: Rocky Linux:10: vim

Vim (Vi IMproved) is an updated and improved version of the vi editor.

Security Fix(es):

* vim: Vim: Information disclosure and denial of service via crafted Unicode characters in terminal emulator (CVE-2026-28420)

* vim: Vim: Denial of Service via out-of-bounds write in terminal handling (CVE-2026-52859)

* vim: Vim: Denial of Service via crafted spell file (CVE-2026-55892)

* vim: Vim: Denial of Service via out-of-bounds write in spell sound-folding (CVE-2026-59857)

* vim: Vim: Arbitrary command execution via crafted vimball (CVE-2026-73076)

* vim: Vim: Heap buffer overflow allows arbitrary code execution (CVE-2026-73072)

* vim: Vim: Arbitrary Code Execution via Crafted Netrw Menu Entries (CVE-2026-73078)

* vim: Vim: Arbitrary Code Execution via Insecure Shell Command Handling (CVE-2026-73077)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

UBUNTU-CVE-2026-55892

Affected: Ubuntu:Pro:14.04:LTS: vim, Ubuntu:Pro:16.04:LTS: vim, Ubuntu:Pro:18.04:LTS: vim, Ubuntu:Pro:20.04:LTS: vim, Ubuntu:22.04:LTS: vim, Ubuntu:24.04:LTS: vim, Ubuntu:25.10: vim, Ubuntu:26.04:LTS: vim

WID-SEC-W-2026-1962 — vim: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in vim ausnutzen, um einen Denial of Service Angriff durchzuführen oder beliebigen Code auszuführen.