What’s Vulnerable › Vulnerabilities

CVE-2022-0156: Use After Free in vim/vim

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-10 · updated 2026-06-17
• Weakness: CWE-416

Description

vim is vulnerable to Use After Free

Affected products

• Apple macOS: before 12.3; from 11.0 before 11.6.8 — fixed in 11.6.8, 12.3
• Fedoraproject Fedora: 34, 35
• vim/vim: before 8.2.4040 — fixed in 8.2.4040

How to fix

Upgrade to a fixed version: Apple macOS 11.6.8, 12.3; vim/vim 8.2.4040. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2022/Jul/13
• http://seclists.org/fulldisclosure/2022/Mar/29
• http://www.openwall.com/lists/oss-security/2022/01/15/1
• https://github.com/vim/vim/commit/9f1a39a5d1cd7989ada2d1cb32f97d84360e050f
• https://huntr.dev/bounties/47dded34-3767-4725-8c7c-9dcb68c70b36
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HD5S2FC2HF22A7XQXK2XXIR46EARVWIM/
• https://security.gentoo.org/glsa/202208-32
• https://support.apple.com/kb/HT213183
• https://support.apple.com/kb/HT213344
• http://seclists.org/fulldisclosure/2022/Jul/13
• http://seclists.org/fulldisclosure/2022/Mar/29

Get alerted when CVE-2022-0156 or the next vulnerability affects your stack