A denial-of-service vulnerability was identified in Moodle’s TeX formula editor. When rendering TeX content using mimetex, insufficient execution time limits could allow specially crafted formulas to consume excessive server resources. An authenticated user could abuse this behavior to degrade performance or cause service interruption.
History

Thu, 26 Feb 2026 20:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-770
CPEs cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

Mon, 23 Feb 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 23 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Moodle
Moodle moodle
Vendors & Products Moodle
Moodle moodle

Sat, 21 Feb 2026 06:00:00 +0000

Type Values Removed Values Added
Description A denial-of-service vulnerability was identified in Moodle’s TeX formula editor. When rendering TeX content using mimetex, insufficient execution time limits could allow specially crafted formulas to consume excessive server resources. An authenticated user could abuse this behavior to degrade performance or cause service interruption.
Title Moodle: moodle: uncontrolled resource consumption in tex formula editor leading to denial of service
Weaknesses CWE-400
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: fedora

Published: 2026-02-21T05:40:11.001Z

Updated: 2026-02-23T19:30:25.686Z

Reserved: 2026-02-10T13:30:03.986Z

Link: CVE-2026-26047

cve-icon Vulnrichment

Updated: 2026-02-23T19:30:17.476Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-21T06:17:00.377

Modified: 2026-02-26T19:45:29.417

Link: CVE-2026-26047

cve-icon Redhat

No data.