CVE-2026-26047

MEDIUM6.5EPSS 0.09%

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

發布日:2026/2/21修改日:2026/3/2

也稱為:GHSA-cg8j-5cr2-568qBIT-moodle-2026-26047

描述

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.

受影響套件(2)

Bitnami/moodlefrom 0, < 4.5.9, >= 5.0.0, < 5.0.5, >= 5.1.0, < 5.1.2
Packagist/moodle/moodle>= 5.1.0-beta, < 5.1.2

CVSS 分數

來源	版本	嚴重程度	向量
osv	CVSS 3.1	MEDIUM6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

參考連結(6)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-26047
PATCHhttps://github.com/moodle/moodle
WEBhttps://access.redhat.com/security/cve/CVE-2026-26047
WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=2440905
WEBhttps://github.com/moodle/moodle/commit/8683b4a04939332e353cad1be51222930dc40b2c
WEBhttps://moodle.org/mod/forum/discuss.php?d=473316