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Vulnerability · Published Dec 19, 2021 · Assigned by @huntrdev

CVE-2021-4136Heap-based Buffer Overflow in vim/vim

High 7.3

In plain English

A high-severity heap buffer overflow in vim/vim from vim. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.0)7.3High
Exploit odds (30 days)2.0%top 19.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

vim is vulnerable to Heap-based Buffer Overflow

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20vim8.2.4173-r0ALPINE-CVE-2021-4136
Alpine:v3.21vim8.2.4173-r0ALPINE-CVE-2021-4136
Alpine:v3.22vim8.2.4173-r0ALPINE-CVE-2021-4136
Alpine:v3.23vim8.2.4173-r0ALPINE-CVE-2021-4136
Alpine:v3.24vim8.2.4173-r0ALPINE-CVE-2021-4136
Debian:12vim2:8.2.3995-1DEBIAN-CVE-2021-4136
Debian:13vim2:8.2.3995-1DEBIAN-CVE-2021-4136
Debian:14vim2:8.2.3995-1DEBIAN-CVE-2021-4136
Ubuntu:22.04:LTSvim2:8.2.3995-1ubuntu2UBUNTU-CVE-2021-4136

Affected products (as reported)

VendorProductVersions
vim vim/vim unspecified – before 8.2.3846

Weakness: CWE-122 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

References