CVE-2023-46246

MEDIUM

Vim - Use After Free

Title source: llm
STIX 2.1

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 v3 4.0
EPSS 0.0001
EPSS Percentile 2.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-190 CWE-416
Status published
Products (1)
vim/vim < 9.0.2068
Published Oct 27, 2023
Tracked Since Feb 18, 2026