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CVE-2025-1936

7.3 · HIGH

jar: URLs retrieve local file content packaged in a ZIP archive.

Published Mar 4, 2025CWE-158EPSS 0.45%

Overview

CVE-2025-1936 is a high-severity vulnerability. It was published on March 4, 2025 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something else like an image. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

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

Refbugzilla.mozilla.org/show_bug.cgi?id=1940027Refwww.mozilla.org/security/advisories/mfsa2025-14/Refwww.mozilla.org/security/advisories/mfsa2025-16/Refwww.mozilla.org/security/advisories/mfsa2025-17/Refwww.mozilla.org/security/advisories/mfsa2025-18/Reflists.debian.org/debian-lts-announce/2025/03/msg00006.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-1936?

CVE-2025-1936 is a high-severity vulnerability. It was published on March 4, 2025 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-1936?

This vulnerability has a CVSS 3.1 base score of 7.3, 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-2025-1936?

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-2025-1936?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-1936 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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