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CVE-2022-1620— NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in vim/vim

Quick assessment

Affected
vim vim/vim
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vim是一款跨平台的文本编辑器。 Vim 8.2之前版本存在代码问题漏洞，该漏洞源于regexp.c:2729的vim_regexec_string函数中NULL指针取消引用。攻击者利用该漏洞通过特制的输入导致拒绝服务（应用程序崩溃）。

AI Predicted 5.3 Difficulty: Easy EPSS 1.61% · P74

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-1620

Vulnerability Information
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Vulnerability Title
NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in vim/vim
Source: CVE Program / CVE List V5
Vulnerability Description
NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in GitHub repository vim/vim prior to 8.2.4901. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 allows attackers to cause a denial of service (application crash) via a crafted input.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Vim 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vim是一款跨平台的文本编辑器。 Vim 8.2之前版本存在代码问题漏洞，该漏洞源于regexp.c:2729的vim_regexec_string函数中NULL指针取消引用。攻击者利用该漏洞通过特制的输入导致拒绝服务（应用程序崩溃）。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
vim vim/vim unspecified ~ 8.2.4901 -

II. Public POCs for CVE-2022-1620

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III. Intelligence Information for CVE-2022-1620

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Patches & Fixes for CVE-2022-1620 (1)

Vendor Advisories for CVE-2022-1620 (3)

Mailing List Discussions for CVE-2022-1620 (5)

IV. Related Vulnerabilities

Same product: vim/vim
Same vendor: vim
Same weakness: CWE-476

V. Comments for CVE-2022-1620

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