6.5

CVE-2026-26047

Moodle: moodle: uncontrolled resource consumption in tex formula editor leading to denial of service

Denial of service risk in TeX formula editor

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.
Mögliche Gegenmaßnahme
Moodle Server: Update to a patched version.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Moodle ≫ Moodle Version < 4.5.9
Moodle ≫ Moodle Version >= 5.0.0 < 5.0.5
Moodle ≫ Moodle Version >= 5.1.0 < 5.1.2
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Weitere Schwachstelleninformationen
SystemMoodle
≫
Produkt Moodle Server
Version < 4.5.0
Version >= 5.1.0, < 5.1.2
Version >= 5.0.0, < 5.0.5
Version >= 4.5.0, < 4.5.9
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.44% 0.346
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
patrick@puiterwijk.org 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

https://access.redhat.com/security/cve/CVE-2026-26047
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2440905
Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=473316
Third Party Advisory