CVE-2026-26047
Moodle: moodle: uncontrolled resource consumption in tex formula editor leading to denial of service
- State
- Published
- Severity
- 6.5 Medium
- Published
- Feb 21, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 10, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | fedora |
Weaknesses
- CWE-400 Uncontrolled Resource Consumption
Affected Products
| Product | Versions |
|---|---|
moodle |
|
References
- https://access.redhat.com/security/cve/CVE-2026-26047vdb-entry
- RHBZ#2440905issue-tracking
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