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CVE-2021-3984

Good to know:

Date: November 30, 2021

vim is vulnerable to Heap-based Buffer Overflow

Language: C

Severity Score

7.8

Related Resources (14)

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

Url: https://access.redhat.com/security/cve/CVE-2021-3984

Url: https://security-tracker.debian.org/tracker/CVE-2021-3984

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3984

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/

Url: https://huntr.dev/bounties/b114b5a2-18e2-49f0-b350-15994d71426a

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

Url: https://lists.debian.org/debian-lts-announce/2022/11/msg00009.html

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/

Url: https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html

Url: https://github.com/vim/vim/commit/2de9b7c7c8791da8853a9a7ca9c467867465b655

Url: https://security.alpinelinux.org/vuln/CVE-2021-3984

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-3984

Url: https://www.mend.io/vulnerability-database/CVE-2021-3984

Severity Score

7.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Heap-based Buffer Overflow

CWE-122

Top Fix

Upgrade Version

Upgrade to version v8.2.3625

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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