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GHSA-cg8j-5cr2-568qmedium6.5

Moodle TeX formula editor is vulnerable to DoS through lack of execution time limits

Impact

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 excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

moodle/moodle Packagist
Affected rangeRecorded fix
From 5.1.0-beta before 5.1.2Ecosystem versions5.1.2
From 5.0.0-beta before 5.0.5Ecosystem versions5.0.5
Earlier releases before 4.5.9Ecosystem versions4.5.9

Version evidence: OSV · GHSA-cg8j-5cr2-568q

View original version evidence (428 explicit versions)

Original source 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.

References