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THREATINT
PUBLISHED

CVE-2025-6492

MarkText index.js getRecommendTitleFromMarkdownString redos



Description

EN DE

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.

In MarkText bis 0.17.1 wurde eine Schwachstelle gefunden. Sie wurde als problematisch eingestuft. Hierbei betrifft es die Funktion getRecommendTitleFromMarkdownString der Datei marktext/src/main/utils/index.js. Durch Beeinflussen mit unbekannten Daten kann eine inefficient regular expression complexity-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-06-22 | Published 2025-06-22 | Updated 2025-06-22 | Assigner VulDB


MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Inefficient Regular Expression Complexity

Resource Consumption

Timeline

2025-06-22:Advisory disclosed
2025-06-22:VulDB entry created
2025-06-22:VulDB entry last update

Credits

mmmsssttt (VulDB User) reporter

References

vuldb.com/?id.313609 (VDB-313609 | MarkText index.js getRecommendTitleFromMarkdownString redos) vdb-entry technical-description

vuldb.com/?ctiid.313609 (VDB-313609 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.598208 (Submit #598208 | marktext 0.17.1 Inefficient Regular Expression Complexity) third-party-advisory

github.com/marktext/marktext/pull/3952 issue-tracking

github.com/.../unit/specs/match-electron-accelerator.spec.js exploit

cve.org (CVE-2025-6492)

nvd.nist.gov (CVE-2025-6492)

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