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CVE-2025-53817

7.5 · HIGH

7-Zip is a file archiver with a high compression ratio.

Published Jul 17, 2025CWE-476EPSS 0.68%

Overview

CVE-2025-53817 is a high-severity vulnerability. It was published on July 17, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

7-Zip is a file archiver with a high compression ratio. 7-Zip supports extracting from Compound Documents. Prior to version 25.0.0, a null pointer dereference in the Compound handler may lead to denial of service. Version 25.0.0 contains a fix cor the issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubsecuritylab.github.com/advisories/GHSL-2025-059_7-Zip/Refwww.openwall.com/lists/oss-security/2025/07/18/2Refwww.openwall.com/lists/oss-security/2025/07/18/2

How CyberStrike helps

Frequently asked questions

What is CVE-2025-53817?

CVE-2025-53817 is a high-severity vulnerability. It was published on July 17, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-53817?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-53817?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-53817?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-53817 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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