NULL pointer dereference in Vim - CVE-2021-46059
Published: March 14, 2022
Vulnerability identifier: #VU61332
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-46059
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Vim.org
Affected software:
Vim
Vim
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the vim_regexec_multi() function in regexp.c in Vim. A remote attacker can trick the victim to open a specially crafted file and perform a denial of service (DoS) attack.
How to mitigate CVE-2021-46059
Install updates from vendor's website.