CVE-2023-46246
Integer Overflow in :history command in Vim
- State
- Published
- Severity
- 4.0 Medium
- Published
- Oct 27, 2023
- Updated
- Jun 23, 2026
- Reserved
- Oct 19, 2023
Description
Vim is an improved version of the good old UNIX editor Vi. Heap-use-after-free in memory allocated in the function `ga_grow_inner` in in the file `src/alloc.c` at line 748, which is freed in the file `src/ex_docmd.c` in the function `do_cmdline` at line 1010 and then used again in `src/cmdhist.c` at line 759. When using the `:history` command, it's possible that the provided argument overflows the accepted value. Causing an Integer Overflow and potentially later an use-after-free. This vulnerability has been patched in version 9.0.2068.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.0 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | GitHub_M |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
vimvim |
|
References
- https://github.com/vim/vim/security/advisories/GHSA-q22m-h7m2-9mgm
- https://github.com/vim/vim/commit/9198c1f2b1ddecde22af918541e0de2a32f0f45a
- https://security.netapp.com/advisory/ntap-20231208-0006/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DNMFS3IH74KEMMESOA3EOB6MZ56TWGFF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IVA7K73WHQH4KVFDJQ7ELIUD2WK5ZT5E/
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