CVE-2021-4193: Out-of-bounds Read in vim/vim

Published Dec 31, 2021
·
Updated

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

Other sources

AppKit. A logic issue was addressed with improved validation.

Apple

AppleAVD. An out-of-bounds write issue was addressed with improved bounds checking.

Apple

AppleEvents. A use after free issue was addressed with improved memory management.

Apple

AppleGraphicsControl. A memory corruption issue was addressed with improved input validation.

Apple

AppleScript. An out-of-bounds read issue was addressed with improved bounds checking.

Apple

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)(Microsoft), Jonathan Bar Or(Microsoft), Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab), Yuebin Sun@@yuebinsun2020(Tencent Security Xuanwu Lab), Max Shavrick@@_mxms(the Google Security Team), Zubair Ashraf(Crowdstrike), CVE-2022-0778, CVE-2022-23308, Mickey Jin@@patch1t, @@gorelics, an anonymous researcher, Linus Henze(Pinauten GmbH), Peter Nguyễn Vũ Hoàng(STAR Labs), Felix Poulin-Belanger, Antonio Cheong Yu Xuan(YCISCQ), Arsenii Kostromin (0x3c3e), Heige(KnownSec 404 Team), Bo Qu(Palo Alto Networks), Scarlet Raine, Wang Yu(Cyberserval), CVE-2022-0530, Tavis Ormandy, CVE-2021-45444, Liu Long(Ant Security Light), Jack Dates(RET2 Systems Inc), Antonio Zekic@@antoniozekic, Jeonghoon Shin(Theori working with Trend Micro Zero Day Initiative), Peter Nguyễn Vũ Hoàng@@peternguyen14(STAR Labs), Ned Williamson(Google Project Zero), @@gorelics(BreakPoint), (BreakPoint), Ron Masas(BreakPoint), Wojciech Reguła@@_r3ggi(SecuRing), Yonghwi Jin@@jinmo123(Theori), Lockheed Martin Red Team, Jeremy Brown(Trend Micro Zero Day Initiative), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Qi Sun(Trend Micro), Ye Zhang@@co0py_Cat(Baidu Security), Robert Ai(Trend Micro), CVE-2021-44224, CVE-2021-44790, CVE-2022-22719, CVE-2022-22720, CVE-2022-22721

Affected Software

24 affected componentsFixes available
Apple macOS Big Sur<11.6.6
11.6.6
Apple Catalina
Apple macOS Monterey<12.3
12.3
vim Vim<8.2.3950
Fedoraproject Fedora=34
Debian Debian Linux=9.0
Debian Debian Linux=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 macOS<12.3
Apple macOS>=11.0<11.6.6
Apple macOS=10.15.7-security_update_2022-004
debian/vim<=2:8.2.2434-3+deb11u1, <=2:8.2.2434-3+deb11u3
2:9.0.1378-2+deb12u22:9.1.1230-1

Event History

Dec 31, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Jan 12, 2024
Data Sourced
via Launchpad·12:01 AM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·02:35 AM
RemedyDescriptionSeverityAffected Software
Mar 27, 2025
Data Sourced
via Debian·04:26 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2021-4193?

CVE-2021-4193 is a vulnerability in Vim that allows an attacker to read out-of-bounds memory.

2

What is the severity of CVE-2021-4193?

The severity of CVE-2021-4193 is not specified.

3

How does CVE-2021-4193 affect Apple Catalina?

CVE-2021-4193 affects Apple Catalina if Vim is installed.

4

How do I fix CVE-2021-4193 on Ubuntu?

To fix CVE-2021-4193 on Ubuntu, update Vim to version 2:8.0.1453-1ubuntu1.13 or higher.

5

Where can I find more information about CVE-2021-4193?

You can find more information about CVE-2021-4193 on the following references: - [Huntr](https://huntr.dev/bounties/92c1940d-8154-473f-84ce-0de43b0c2eb0) - [GitHub Commit](https://github.com/vim/vim/commit/94f3192b03ed27474db80b4d3a409e107140738b) - [Openwall](http://www.openwall.com/lists/oss-security/2022/01/15/1)

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