Description
7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of SQFS files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18589.
Published: 2024-05-03
Score: 7.8 High
EPSS: 10.5% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4576-1 p7zip security update
EUVD EUVD EUVD-2023-45052 7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of SQFS files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18589.
History

Thu, 26 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 12 Aug 2025 20:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:7-zip:7-zip:22.01:*:*:*:*:*:*:*

cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2024-08-02T18:31:53.795Z

Reserved: 2023-08-14T21:06:28.913Z

Link: CVE-2023-40481

cve-icon Vulnrichment

Updated: 2024-08-02T18:31:53.795Z

cve-icon NVD

Status : Analyzed

Published: 2024-05-03T03:15:21.153

Modified: 2025-08-12T19:48:23.113

Link: CVE-2023-40481

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-12T23:05:48Z

Weaknesses