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CVE-2021-3973

Good to know:

Date: November 19, 2021

vim is vulnerable to Heap-based Buffer Overflow

Language: C

Severity Score

7.8

Related Resources (15)

Url: https://huntr.dev/bounties/ce6e8609-77c6-4e17-b9fc-a2e5abed052e

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

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL/

Url: https://access.redhat.com/security/cve/CVE-2021-3973

Url: https://security-tracker.debian.org/tracker/CVE-2021-3973

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3973

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

Url: https://github.com/vim/vim/commit/615ddd5342b50a6878a907062aa471740bd9a847

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

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://security.alpinelinux.org/vuln/CVE-2021-3973

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-3973

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL/

Url: https://www.mend.io/vulnerability-database/CVE-2021-3973

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 v8.2.3611

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:	9.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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