vulnerability

Amazon Linux 2023: CVE-2023-48706: Low priority package update for vim (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:H/Au:N/C:N/I:N/A:C)
Published
Nov 22, 2023
Added
Feb 17, 2025
Modified
Jul 4, 2025

Description

Vim is a UNIX editor that, prior to version 9.0.2121, has a heap-use-after-free vulnerability. When executing a `:s` command for the very first time and using a sub-replace-special atom inside the substitution part, it is possible that the recursive `:s` call causes free-ing of memory which may later then be accessed by the initial `:s` command. The user must intentionally execute the payload and the whole process is a bit tricky to do since it seems to work only reliably for the very first :s command. It may also cause a crash of Vim. Version 9.0.2121 contains a fix for this issue.
A heap use-after-free flaw was found in the vim package. When executing a `:s` command for the first time and using a sub-replace-special atom inside the substitution part, it is possible that the recursive `:s` call causes memory to be freed, which may later then be accessed by the initial `:s` command. This issue may result in Vim crashing.

Solutions

amazon-linux-2023-upgrade-vim-commonamazon-linux-2023-upgrade-vim-dataamazon-linux-2023-upgrade-vim-debuginfoamazon-linux-2023-upgrade-vim-debugsourceamazon-linux-2023-upgrade-vim-default-editoramazon-linux-2023-upgrade-vim-enhancedamazon-linux-2023-upgrade-vim-enhanced-debuginfoamazon-linux-2023-upgrade-vim-filesystemamazon-linux-2023-upgrade-vim-minimalamazon-linux-2023-upgrade-vim-minimal-debuginfoamazon-linux-2023-upgrade-xxdamazon-linux-2023-upgrade-xxd-debuginfo
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