CVE-2026-26047
Moodle: moodle: uncontrolled resource consumption in tex formula editor leading to denial of service
Summary
Moodle: moodle: uncontrolled resource consumption in tex formula editor leading to denial of service
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Affected packages
Bitnami
moodle
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.5.9"},{"introduced":"5.0.0"},{"fixed":"5.0.5"},{"introduced":"5.1.0"},{"fixed":"5.1.2"}]}]
References
- advisory access.redhat.com
- advisory nvd.nist.gov
- advisory github.com
- package github.com
- report bugzilla.redhat.com