Arbitrary Code Injection Affecting vim-common package, versions <2:9.1.083-9.el10_2.12


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.14% (5th percentile)

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  • Snyk IDSNYK-ALMALINUX10-VIMCOMMON-18515898
  • published4 Aug 2026
  • disclosed29 Jul 2026

Introduced: 29 Jul 2026

NewCVE-2026-57456  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:10 vim-common to version 2:9.1.083-9.el10_2.12 or higher.
This issue was patched in ALSA-2026:48650.

NVD Description

Note: Versions mentioned in the description apply only to the upstream vim-common package and not the vim-common package as distributed by AlmaLinux. See How to fix? for AlmaLinux:10 relevant fixed versions and status.

Vim is an open source, command line text editor. Prior to 9.2.0699, Vim's Python omni-completion (runtime/autoload/python3complete.vim and the legacy pythoncomplete.vim) executes reconstructed function and class definitions from the current buffer with exec() as part of populating the completion dictionary. When reconstructing that source, each scope's docstring is inserted verbatim between triple quotes with no escaping, so a hostile buffer can break out of the triple-quoted literal and execute attacker-controlled Python during omni-completion. This vulnerability is fixed in 9.2.0699.

CVSS Base Scores

version 3.1