Vulnerability-Lookup

CVE-2023-48706 (GCVE-0-2023-48706)

Vulnerability from cvelistv5 – Published: 2023-11-22 22:03 – Updated: 2026-06-23 17:19

Title

Vim has heap-use-after-free at /src/charset.c:1770:12 in skipwhite

Summary

Vim is a UNIX editor that, prior to version 9.0.2121, has a heap-use-after-free vulnerability. When executing a `:s` command for the very first time and using a sub-replace-special atom inside the substitution part, it is possible that the recursive `:s` call causes free-ing of memory which may later then be accessed by the initial `:s` command. The user must intentionally execute the payload and the whole process is a bit tricky to do since it seems to work only reliably for the very first :s command. It may also cause a crash of Vim. Version 9.0.2121 contains a fix for this issue.

Severity

3.6 (Low)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2023-12-07 16:10 UTC

CWE

CWE-416 - Use After Free

Assigner

GitHub_M mitre root

References

8 references

URL	Tags
https://github.com/vim/vim/security/advisories/GH…	x_refsource_CONFIRM
https://github.com/vim/vim/pull/13552	x_refsource_MISC
https://github.com/vim/vim/commit/26c11c56888d01e…	x_refsource_MISC
https://github.com/gandalf4a/crash_report/blob/ma…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2023/11/22/3
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://security.netapp.com/advisory/ntap-2024010…

Impacted products

1 product

Vendor	Product	Version	CPE status
vim	vim	Affected: < 9.0.2121	guessed

Show details on NVD website

JSON

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SUSE-SU-2024:0871-1

Vulnerability from csaf_suse - Published: 2024-03-13 12:08 - Updated: 2024-03-13 12:08

Summary

Security update for vim

Severity

Important

Scope

10 vulnerabilities in this advisory, including CVE-2023-48706.

CVE-2023-48706

3.6 (Low)


                
                  CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

Recommended: 133 products

Open the full advisory

SUSE-SU-2024:1287-1

Vulnerability from csaf_suse - Published: 2024-04-15 13:03 - Updated: 2024-04-15 13:03

Summary

Security update for vim

Severity

Important

Scope

10 vulnerabilities in this advisory, including CVE-2023-48706.

CVE-2023-48706

3.6 (Low)


                
                  CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

Recommended: 32 products

Open the full advisory

UBUNTU-CVE-2023-48706 (CVE-2023-48706)

Vulnerability from osv_ubuntu – Published: 2023-11-22 22:15 – Updated: 2025-09-08 16:56 – Source website

Details

Vim is a UNIX editor that, prior to version 9.0.2121, has a heap-use-after-free vulnerability. When executing a :s command for the very first time and using a sub-replace-special atom inside the substitution part, it is possible that the recursive :s call causes free-ing of memory which may later then be accessed by the initial :s command. The user must intentionally execute the payload and the whole process is a bit tricky to do since it seems to work only reliably for the very first :s command. It may also cause a crash of Vim. Version 9.0.2121 contains a fix for this issue.

Severity

4.7 (Medium)


                    
                      CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

3.6 (Low)


                    
                      CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-48706	REPORT
	https://github.com/vim/vim/security/advisories/GH…	REPORT
	https://github.com/vim/vim/pull/13552	REPORT
	https://github.com/gandalf4a/crash_report/blob/ma…	REPORT
	http://www.openwall.com/lists/oss-security/2023/11/22/3	REPORT
	https://ubuntu.com/security/notices/USN-6557-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2023-48706	REPORT

JSON

To clipboard

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  "affected": [
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      "ecosystem_specific": {
        "availability": "No subscription required",
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  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-48706"
  ]
}

VDE-2024-073

Vulnerability from csaf_phoenixcontactgmbhcokg - Published: 2024-12-09 11:00 - Updated: 2025-05-22 13:03

Summary

Phoenix Contact: Multiple Vulnerabilities in PLCnext Firmware

Severity

Critical

Scope

63 vulnerabilities in this advisory, including CVE-2023-48706.

CVE-2023-48706

Vim is a UNIX editor that, prior to version 9.0.2121, has a heap-use-after-free vulnerability. When executing a ':s' command for the very first time and using a sub-replace-special atom inside the substitution part, it is possible that the recursive ':s' call causes free-ing of memory which may later then be accessed by the initial ':s' command. The user must intentionally execute the payload and the whole process is a bit tricky to do since it seems to work only reliably for the very first :s command. It may also cause a crash of Vim. Version 9.0.2121 contains a fix for this issue.

3.6 (Low)


                
                  CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

Fixed: 8 products Known affected: 8 products

Open the full advisory

WID-SEC-W-2023-2997

Vulnerability from csaf_certbund - Published: 2023-11-22 23:00 - Updated: 2024-10-09 22:00

Summary

vim: Schwachstelle ermöglicht Denial of Service

Severity

Mittel

Scope

1 vulnerability in this advisory, including CVE-2023-48706.

CVE-2023-48706

Es besteht eine Schwachstelle in vim. Dieser Fehler besteht in "ex_substitute "aufgrund eines Heap-Use-after-free-Problems während des Ausführungsprozesses des `:s`-Befehls. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen. Eine erfolgreiche Ausnutzung erfordert eine Benutzerinteraktion.

Known affected: 9 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2023-48706 (GCVE-0-2023-48706)

SUSE-SU-2024:0871-1

SUSE-SU-2024:1287-1

UBUNTU-CVE-2023-48706 (CVE-2023-48706)

VDE-2024-073

WID-SEC-W-2023-2997

Tags

Sightings

Nomenclature

Related by attack behaviour