PT-2021-23440 · Vim+3 · Vim+3

Brammool · Published 2021-12-29 · Updated 2025-03-30 · CVE-2021-4187

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions vim (affected versions not specified)

Description The issue is related to a Use After Free problem. There is no information provided about the estimated number of potentially affected devices worldwide or details about real-world incidents where this issue was exploited.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2022-1087

ALT-PU-2022-1711

ALT-PU-2022-1731

ALT-PU-2022-1771

AZL-7111

CVE-2021-4187

DLA-4097-1

MGASA-2022-0015

Affected Products

Alt Linux

Debian

Apple Macos

Vim

References · 37

• 🔥 https://huntr.dev/bounties/a8bee03a-6e2e-43bf-bee3-4968c5386a2e · Exploit
• https://github.com/vim/vim/commit/4bf1006cae7e87259ccd5219128c3dba75774441 · Patch
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2021-4187 · Vendor Advisory
• https://security.gentoo.org/glsa/202208-32 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-4187 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-4187 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4097-1 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-7111 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-4187 · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-4187 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-4187 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2022-0015 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD · Vendor Advisory