CVE-2025-6492: DoS (CVSS 5.3)

Description

A vulnerability has been found in MarkText up to 0.17.1 and classified as problematic. Affected by this vulnerability is the function getRecommendTitleFromMarkdownString of the file marktext/src/main/utils/index.js. The manipulation leads to inefficient regular expression complexity. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

CWE-1333 CWE-1333

References

Other References

https://github.com/marktext/marktext/pull/3952 https://github.com/mmmsssttt404/marktext/blob/c59b3ad423dfa082869933baf9f5d5c69bdcc560/test/unit/specs/match-electron-accelerator.spec.js#L155-L164 https://vuldb.com/?ctiid.313609 https://vuldb.com/?id.313609 https://vuldb.com/?submit.598208

Frequently Asked Questions

What is CVE-2025-6492? +

A vulnerability has been found in MarkText up to 0.17.1 and classified as problematic. Affected by this vulnerability is the function getRecommendTitleFromMarkdownString of the file marktext/src/main/utils/index.js. The manipulation leads to inefficient regular expression complexity. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-6492? +

CVE-2025-6492 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-6492? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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