CVE-2022-1629

Editor crash via escaped trailing backslash

Published May 10, 2022 · Updated Aug 3, 2024

Buffer over-read in Vim before 8.2.4925 allows local users to crash the editor or alter process memory via crafted text. The find_next_quote function in src/textobject.c increments its column after an escaped trailing backslash without checking for the line-ending NUL. Exploitation requires local access and text that reaches quote text-object parsing; a process crash is the most directly grounded consequence.

CVSS severity6.6
Medium
EPSS probability1.91%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer over-read in Vim before 8.2.4925 allows local users to crash the editor or alter process memory via crafted text. The find_next_quote function in src/textobject.c increments its column after an escaped trailing backslash without checking for the line-ending NUL. Exploitation requires local access and text that reaches quote text-object parsing; a process crash is the most directly grounded consequence.

The record

CVE
CVE-2022-1629
Published
May 10, 2022
Updated
Aug 3, 2024
Vendor
Vim
Product
Vim
Classifications
CWE-126, T1203
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 10, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=unspecified <8.2.4925

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Vim · Vimversion=unspecified <8.2.4925

Published CVSS scores

6.6Protect AI (formerly Huntr)CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
7.8NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8NVDAV:N/AC:M/Au:N/C:P/I:P/A:P

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-126Buffer Over-read
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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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