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CVE-2024-47814— use-after-free when closing buffers in Vim

Quick assessment

Affected
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Vim开源的一款跨平台的文本编辑器。 Vim 9.1.0764之前版本存在资源管理错误漏洞，该漏洞源于内存释放后重用。

CVSS 3.9 · Low EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2024-47814

Vulnerability Information
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Vulnerability Title
use-after-free when closing buffers in Vim
Source: CVE Program / CVE List V5
Vulnerability Description
Vim is an open source, command line text editor. A use-after-free was found in Vim < 9.1.0764. When closing a buffer (visible in a window) a BufWinLeave auto command can cause an use-after-free if this auto command happens to re-open the same buffer in a new split window. Impact is low since the user must have intentionally set up such a strange auto command and run some buffer unload commands. However this may lead to a crash. This issue has been addressed in version 9.1.0764 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Vim 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vim是Vim开源的一款跨平台的文本编辑器。 Vim 9.1.0764之前版本存在资源管理错误漏洞，该漏洞源于内存释放后重用。
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 < v9.1.0764 -

II. Public POCs for CVE-2024-47814

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III. Intelligence Information for CVE-2024-47814

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Patches & Fixes for CVE-2024-47814 (1)

IV. Related Vulnerabilities

Same product: vim
Same vendor: vim
Same weakness: CWE-416

V. Comments for CVE-2024-47814

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