high
7.8
CWE
416 20
Advisory Published
Updated

CVE-2021-4192: Use After Free in vim/vim

First published: Fri Dec 31 2021(Updated: )

apache. Multiple issues were addressed by updating apache to version 2.4.53.

Credit: CVE-2021-4136 CVE-2021-4166 CVE-2021-4173 CVE-2021-4187 CVE-2021-4192 CVE-2021-4193 CVE-2021-46059 CVE-2022-0128 CVE-2022-0156 CVE-2022-0158 Arsenii Kostromin (0x3c3e) MicrosoftJonathan Bar Or MicrosoftZhipeng Huo @R3dF09 Tencent Security Xuanwu LabYuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabMax Shavrick @_mxms the Google Security TeamZubair Ashraf CrowdstrikeCVE-2022-0778 CVE-2022-23308 Mickey Jin @patch1t @gorelics an anonymous researcher Linus Henze Pinauten GmbHPeter Nguyễn Vũ Hoàng STAR LabsFelix Poulin-Belanger Antonio Cheong Yu Xuan YCISCQArsenii Kostromin (0x3c3e) Heige KnownSec 404 TeamBo Qu Palo Alto NetworksScarlet Raine Wang Yu CyberservalCVE-2022-0530 Tavis Ormandy CVE-2021-45444 Liu Long Ant Security LightJack Dates RET2 Systems IncAntonio Zekic @antoniozekic Jeonghoon Shin Theori working with Trend Micro Zero Day InitiativePeter Nguyễn Vũ Hoàng @peternguyen14 STAR LabsNed Williamson Google Project Zero @gorelics BreakPoint BreakPointRon Masas BreakPointWojciech Reguła @_r3ggi SecuRingYonghwi Jin @jinmo123 TheoriLockheed Martin Red Team Jeremy Brown Trend Micro Zero Day InitiativeMichael DePlante @izobashi Trend Micro Zero Day InitiativeQi Sun Trend MicroYe Zhang @co0py_Cat Baidu SecurityRobert Ai Trend MicroCVE-2021-44224 CVE-2021-44790 CVE-2022-22719 CVE-2022-22720 CVE-2022-22721 security@huntr.dev

Affected SoftwareAffected VersionHow to fix
Apple macOS Monterey<12.3
12.3
debian/vim<=2:8.2.2434-3+deb11u1
2:9.0.1378-2
2:9.1.0967-2
Apple macOS<11.6.6
11.6.6
macOS Catalina
Vim<8.2.3949
Fedora=34
Debian=9.0
Debian=10.0
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2021-001
Apple iOS and macOS=10.15.7-security_update_2021-002
Apple iOS and macOS=10.15.7-security_update_2021-003
Apple iOS and macOS=10.15.7-security_update_2021-004
Apple iOS and macOS=10.15.7-security_update_2021-005
Apple iOS and macOS=10.15.7-security_update_2021-006
Apple iOS and macOS=10.15.7-security_update_2021-007
Apple iOS and macOS=10.15.7-security_update_2021-008
Apple iOS and macOS=10.15.7-security_update_2022-001
Apple iOS and macOS=10.15.7-security_update_2022-002
Apple iOS and macOS=10.15.7-security_update_2022-003
Apple iOS and macOS<12.3
Apple iOS and macOS>=11.0<11.6.6
Apple iOS and macOS=10.15.7-security_update_2022-004

Remedy

https://github.com/vim/vim/commit/4c13e5e6763c6eb36a343a2b8235ea227202e952

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2021-4192?

    CVE-2021-4192 is a vulnerability in Vim that allows for Use After Free.

  • What is the severity of CVE-2021-4192?

    The severity of CVE-2021-4192 is not specified.

  • How does CVE-2021-4192 affect Apple Catalina?

    CVE-2021-4192 affects Apple Catalina if Vim is installed.

  • How can I fix CVE-2021-4192 on Ubuntu?

    To fix CVE-2021-4192 on Ubuntu, upgrade Vim to version 2:8.1.2269-1ubuntu5.14 or higher.

  • Where can I find more information about CVE-2021-4192?

    You can find more information about CVE-2021-4192 at the following references: [link 1](https://huntr.dev/bounties/6dd9cb2e-a940-4093-856e-59b502429f22), [link 2](https://github.com/vim/vim/commit/4c13e5e6763c6eb36a343a2b8235ea227202e952), [link 3](http://www.openwall.com/lists/oss-security/2022/01/15/1)

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203