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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-4173

CVE-2021-4173

HIGH7.8

Use After Free in vim/vim

Published Dec 27, 2021

Modified 4 months ago

Details

vim is vulnerable to Use After Free

References

http://seclists.org/fulldisclosure/2022/Jul/14

http://seclists.org/fulldisclosure/2022/Mar/29

http://seclists.org/fulldisclosure/2022/May/35

http://www.openwall.com/lists/oss-security/2022/01/15/1

https://github.com/vim/vim/commit/9c23f9bb5fe435b28245ba8ac65aa0ca6b902c04

https://huntr.dev/bounties/a1b236b9-89fb-4ccf-9689-ba11b471e766

https://lists.debian.org/debian-lts-announce/2025/03/msg00023.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/

https://security.gentoo.org/glsa/202208-32

https://support.apple.com/kb/HT213183

https://support.apple.com/kb/HT213256

https://support.apple.com/kb/HT213343

https://www.cve.org/CVERecord?id=CVE-2021-4173

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

7.8/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Memory Safety

Ecosystems

Timeline

PublishedDec 27, 2021

ModifiedNov 3, 2025

CVE-2021-4173 | Mondoo Vulnerability Intelligence