CVE-2026-26047 — Moodle: moodle: uncontrolled resource consumption in tex formula editor leading to denial of service

CVE-2026-26047

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

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Not supplied / Not supplied	affected 0 before 4.5.9; affected 5.0.0 before 5.0.5; affected 5.1.0 before 5.1.2

CWE

CWE-400

References

https://access.redhat.com/security/cve/CVE-2026-26047
https://bugzilla.redhat.com/show_bug.cgi?id=2440905

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.