CVE-2024-41965Public exploit

Editor crash via aliased buffer-name double free

Published Aug 1, 2024 · Updated Nov 15, 2024

Use-after-free in dialog_changed() in Vim before 9.1.0648 allows local users to crash the editor through a crafted command script. When the save dialog assigns an Untitled name, dialog_changed() clears aliased buffer-name pointers as though each owned separate storage, freeing the same allocation twice. Exploitation requires local low-privileged access and user interaction with a modified unnamed buffer; the demonstrated consequence is editor termination.

CVSS severity4.2
Medium
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in dialog_changed() in Vim before 9.1.0648 allows local users to crash the editor through a crafted command script. When the save dialog assigns an Untitled name, dialog_changed() clears aliased buffer-name pointers as though each owned separate storage, freeing the same allocation twice. Exploitation requires local low-privileged access and user interaction with a modified unnamed buffer; the demonstrated consequence is editor termination.

The record

CVE
CVE-2024-41965
Published
Aug 1, 2024
Updated
Nov 15, 2024
Vendor
Vim
Product
Vim
Classifications
CWE-416, CWE-415, T1203
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 1, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 15, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 9.1.0648

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Vim · Vimversion=< 9.1.0648

Published CVSS scores

4.2GitHubCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
4.2NISTCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-416Use After Free
CWE-415Double Free
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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